18550910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 72

約数和(自身を含む): 41577624

約数和(自身を除く): 23026714

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 131, 170, 238, 245, 262, 289, 490, 578, 595, 655, 833, 917, 1190, 1310, 1445, 1666, 1834, 2023, 2227, 2890, 4046, 4165, 4454, 4585, 6419, 8330, 9170, 10115, 11135, 12838, 14161, 15589, 20230, 22270, 28322, 31178, 32095, 37859, 64190, 70805, 75718, 77945, 109123, 141610, 155890, 189295, 218246, 265013, 378590, 530026, 545615, 1091230, 1325065, 1855091, 2650130, 3710182, 9275455, 18550910]

約数ペア:

[(1, 18550910), (2, 9275455), (5, 3710182), (7, 2650130), (10, 1855091), (14, 1325065), (17, 1091230), (34, 545615), (35, 530026), (49, 378590), (70, 265013), (85, 218246), (98, 189295), (119, 155890), (131, 141610), (170, 109123), (238, 77945), (245, 75718), (262, 70805), (289, 64190), (490, 37859), (578, 32095), (595, 31178), (655, 28322), (833, 22270), (917, 20230), (1190, 15589), (1310, 14161), (1445, 12838), (1666, 11135), (1834, 10115), (2023, 9170), (2227, 8330), (2890, 6419), (4046, 4585), (4165, 4454)]