19934460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1252

約数の個数: 144

約数和(自身を含む): 74483136

約数和(自身を除く): 54548676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1217, 1260, 1365, 1638, 1820, 2340, 2434, 2730, 3276, 3651, 4095, 4868, 5460, 6085, 7302, 8190, 8519, 10953, 12170, 14604, 15821, 16380, 17038, 18255, 21906, 24340, 25557, 31642, 34076, 36510, 42595, 43812, 47463, 51114, 54765, 63284, 73020, 76671, 79105, 85190, 94926, 102228, 109530, 110747, 127785, 142389, 153342, 158210, 170380, 189852, 219060, 221494, 237315, 255570, 284778, 306684, 316420, 332241, 383355, 442988, 474630, 511140, 553735, 569556, 664482, 711945, 766710, 949260, 996723, 1107470, 1328964, 1423890, 1533420, 1661205, 1993446, 2214940, 2847780, 3322410, 3986892, 4983615, 6644820, 9967230, 19934460]

約数ペア:

[(1, 19934460), (2, 9967230), (3, 6644820), (4, 4983615), (5, 3986892), (6, 3322410), (7, 2847780), (9, 2214940), (10, 1993446), (12, 1661205), (13, 1533420), (14, 1423890), (15, 1328964), (18, 1107470), (20, 996723), (21, 949260), (26, 766710), (28, 711945), (30, 664482), (35, 569556), (36, 553735), (39, 511140), (42, 474630), (45, 442988), (52, 383355), (60, 332241), (63, 316420), (65, 306684), (70, 284778), (78, 255570), (84, 237315), (90, 221494), (91, 219060), (105, 189852), (117, 170380), (126, 158210), (130, 153342), (140, 142389), (156, 127785), (180, 110747), (182, 109530), (195, 102228), (210, 94926), (234, 85190), (252, 79105), (260, 76671), (273, 73020), (315, 63284), (364, 54765), (390, 51114), (420, 47463), (455, 43812), (468, 42595), (546, 36510), (585, 34076), (630, 31642), (780, 25557), (819, 24340), (910, 21906), (1092, 18255), (1170, 17038), (1217, 16380), (1260, 15821), (1365, 14604), (1638, 12170), (1820, 10953), (2340, 8519), (2434, 8190), (2730, 7302), (3276, 6085), (3651, 5460), (4095, 4868)]