18734310

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 56339712

約数和(自身を除く): 37605402

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 131, 210, 227, 262, 315, 393, 454, 630, 655, 681, 786, 917, 1135, 1179, 1310, 1362, 1589, 1834, 1965, 2043, 2270, 2358, 2751, 3178, 3405, 3930, 4086, 4585, 4767, 5502, 5895, 6810, 7945, 8253, 9170, 9534, 10215, 11790, 13755, 14301, 15890, 16506, 20430, 23835, 27510, 28602, 29737, 41265, 47670, 59474, 71505, 82530, 89211, 143010, 148685, 178422, 208159, 267633, 297370, 416318, 446055, 535266, 624477, 892110, 1040795, 1248954, 1338165, 1873431, 2081590, 2676330, 3122385, 3746862, 6244770, 9367155, 18734310]

約数ペア:

[(1, 18734310), (2, 9367155), (3, 6244770), (5, 3746862), (6, 3122385), (7, 2676330), (9, 2081590), (10, 1873431), (14, 1338165), (15, 1248954), (18, 1040795), (21, 892110), (30, 624477), (35, 535266), (42, 446055), (45, 416318), (63, 297370), (70, 267633), (90, 208159), (105, 178422), (126, 148685), (131, 143010), (210, 89211), (227, 82530), (262, 71505), (315, 59474), (393, 47670), (454, 41265), (630, 29737), (655, 28602), (681, 27510), (786, 23835), (917, 20430), (1135, 16506), (1179, 15890), (1310, 14301), (1362, 13755), (1589, 11790), (1834, 10215), (1965, 9534), (2043, 9170), (2270, 8253), (2358, 7945), (2751, 6810), (3178, 5895), (3405, 5502), (3930, 4767), (4086, 4585)]