18817620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 55566336

約数和(自身を除く): 36748716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 67, 93, 124, 134, 151, 155, 186, 201, 268, 302, 310, 335, 372, 402, 453, 465, 604, 620, 670, 755, 804, 906, 930, 1005, 1340, 1510, 1812, 1860, 2010, 2077, 2265, 3020, 4020, 4154, 4530, 4681, 6231, 8308, 9060, 9362, 10117, 10385, 12462, 14043, 18724, 20234, 20770, 23405, 24924, 28086, 30351, 31155, 40468, 41540, 46810, 50585, 56172, 60702, 62310, 70215, 93620, 101170, 121404, 124620, 140430, 151755, 202340, 280860, 303510, 313627, 607020, 627254, 940881, 1254508, 1568135, 1881762, 3136270, 3763524, 4704405, 6272540, 9408810, 18817620]

約数ペア:

[(1, 18817620), (2, 9408810), (3, 6272540), (4, 4704405), (5, 3763524), (6, 3136270), (10, 1881762), (12, 1568135), (15, 1254508), (20, 940881), (30, 627254), (31, 607020), (60, 313627), (62, 303510), (67, 280860), (93, 202340), (124, 151755), (134, 140430), (151, 124620), (155, 121404), (186, 101170), (201, 93620), (268, 70215), (302, 62310), (310, 60702), (335, 56172), (372, 50585), (402, 46810), (453, 41540), (465, 40468), (604, 31155), (620, 30351), (670, 28086), (755, 24924), (804, 23405), (906, 20770), (930, 20234), (1005, 18724), (1340, 14043), (1510, 12462), (1812, 10385), (1860, 10117), (2010, 9362), (2077, 9060), (2265, 8308), (3020, 6231), (4020, 4681), (4154, 4530)]