1908574785

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:185

約数の個数: 192

約数和(自身を含む): 4010549760

約数和(自身を除く): 2101974975

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 53, 65, 71, 85, 117, 135, 153, 159, 195, 213, 221, 255, 265, 289, 351, 355, 459, 477, 585, 639, 663, 689, 765, 795, 867, 901, 923, 1065, 1105, 1207, 1431, 1445, 1755, 1917, 1989, 2067, 2295, 2385, 2601, 2703, 2769, 3195, 3315, 3445, 3621, 3757, 3763, 4335, 4505, 4615, 5967, 6035, 6201, 7155, 7803, 8109, 8307, 9585, 9945, 10335, 10863, 11271, 11289, 11713, 13005, 13515, 13845, 15317, 15691, 18105, 18603, 18785, 18815, 20519, 24327, 24921, 29835, 31005, 32589, 33813, 33867, 35139, 39015, 40545, 41535, 45951, 47073, 48919, 54315, 56355, 56445, 58565, 61557, 63971, 76585, 78455, 93015, 101439, 101601, 102595, 105417, 121635, 124605, 137853, 141219, 146757, 162945, 169065, 169335, 175695, 184671, 191913, 199121, 229755, 235365, 244595, 266747, 307785, 316251, 319855, 413559, 423657, 440271, 507195, 508005, 527085, 554013, 575739, 597363, 689265, 706095, 733785, 800241, 831623, 923355, 959565, 995605, 1087507, 1320813, 1333735, 1581255, 1727217, 1792089, 2067795, 2118285, 2201355, 2400723, 2494869, 2770065, 2878695, 2986815, 3262521, 4001205, 4158115, 5376267, 5437535, 6604065, 7202169, 7484607, 8636085, 8960445, 9787563, 12003615, 12474345, 14137591, 16312605, 22453821, 26881335, 29362689, 36010845, 37423035, 42412773, 48937815, 70687955, 112269105, 127238319, 146813445, 212063865, 381714957, 636191595, 1908574785]

約数ペア:

[(1, 1908574785), (3, 636191595), (5, 381714957), (9, 212063865), (13, 146813445), (15, 127238319), (17, 112269105), (27, 70687955), (39, 48937815), (45, 42412773), (51, 37423035), (53, 36010845), (65, 29362689), (71, 26881335), (85, 22453821), (117, 16312605), (135, 14137591), (153, 12474345), (159, 12003615), (195, 9787563), (213, 8960445), (221, 8636085), (255, 7484607), (265, 7202169), (289, 6604065), (351, 5437535), (355, 5376267), (459, 4158115), (477, 4001205), (585, 3262521), (639, 2986815), (663, 2878695), (689, 2770065), (765, 2494869), (795, 2400723), (867, 2201355), (901, 2118285), (923, 2067795), (1065, 1792089), (1105, 1727217), (1207, 1581255), (1431, 1333735), (1445, 1320813), (1755, 1087507), (1917, 995605), (1989, 959565), (2067, 923355), (2295, 831623), (2385, 800241), (2601, 733785), (2703, 706095), (2769, 689265), (3195, 597363), (3315, 575739), (3445, 554013), (3621, 527085), (3757, 508005), (3763, 507195), (4335, 440271), (4505, 423657), (4615, 413559), (5967, 319855), (6035, 316251), (6201, 307785), (7155, 266747), (7803, 244595), (8109, 235365), (8307, 229755), (9585, 199121), (9945, 191913), (10335, 184671), (10863, 175695), (11271, 169335), (11289, 169065), (11713, 162945), (13005, 146757), (13515, 141219), (13845, 137853), (15317, 124605), (15691, 121635), (18105, 105417), (18603, 102595), (18785, 101601), (18815, 101439), (20519, 93015), (24327, 78455), (24921, 76585), (29835, 63971), (31005, 61557), (32589, 58565), (33813, 56445), (33867, 56355), (35139, 54315), (39015, 48919), (40545, 47073), (41535, 45951)]