1921861370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:948

約数の個数: 128

約数和(自身を含む): 4305788928

約数和(自身を除く): 2383927558

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 71, 110, 115, 130, 142, 143, 230, 253, 286, 299, 355, 506, 598, 710, 715, 781, 823, 923, 1265, 1430, 1495, 1562, 1633, 1646, 1846, 2530, 2990, 3266, 3289, 3905, 4115, 4615, 6578, 7810, 8165, 8230, 9053, 9230, 10153, 10699, 16330, 16445, 17963, 18106, 18929, 20306, 21229, 21398, 32890, 35926, 37858, 42458, 45265, 50765, 53495, 58433, 89815, 90530, 94645, 101530, 106145, 106990, 116866, 117689, 179630, 189290, 208219, 212290, 233519, 235378, 246077, 292165, 416438, 467038, 492154, 584330, 588445, 642763, 759629, 1041095, 1167595, 1176890, 1230385, 1285526, 1343959, 1519258, 2082190, 2335190, 2460770, 2687918, 2706847, 3213815, 3798145, 5413694, 6427630, 6719795, 7596290, 8355919, 13439590, 13534235, 14783549, 16711838, 17471467, 27068470, 29567098, 34942934, 41779595, 73917745, 83559190, 87357335, 147835490, 174714670, 192186137, 384372274, 960930685, 1921861370]

約数ペア:

[(1, 1921861370), (2, 960930685), (5, 384372274), (10, 192186137), (11, 174714670), (13, 147835490), (22, 87357335), (23, 83559190), (26, 73917745), (46, 41779595), (55, 34942934), (65, 29567098), (71, 27068470), (110, 17471467), (115, 16711838), (130, 14783549), (142, 13534235), (143, 13439590), (230, 8355919), (253, 7596290), (286, 6719795), (299, 6427630), (355, 5413694), (506, 3798145), (598, 3213815), (710, 2706847), (715, 2687918), (781, 2460770), (823, 2335190), (923, 2082190), (1265, 1519258), (1430, 1343959), (1495, 1285526), (1562, 1230385), (1633, 1176890), (1646, 1167595), (1846, 1041095), (2530, 759629), (2990, 642763), (3266, 588445), (3289, 584330), (3905, 492154), (4115, 467038), (4615, 416438), (6578, 292165), (7810, 246077), (8165, 235378), (8230, 233519), (9053, 212290), (9230, 208219), (10153, 189290), (10699, 179630), (16330, 117689), (16445, 116866), (17963, 106990), (18106, 106145), (18929, 101530), (20306, 94645), (21229, 90530), (21398, 89815), (32890, 58433), (35926, 53495), (37858, 50765), (42458, 45265)]