18508799240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{144917}}^1$

素因数の和:145062

約数の個数: 64

約数和(自身を含む): 43405839360

約数和(自身を除く): 24897040120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 515, 620, 824, 1030, 1240, 2060, 3193, 4120, 6386, 12772, 15965, 25544, 31930, 63860, 127720, 144917, 289834, 579668, 724585, 1159336, 1449170, 2898340, 4492427, 5796680, 8984854, 14926451, 17969708, 22462135, 29852902, 35939416, 44924270, 59705804, 74632255, 89848540, 119411608, 149264510, 179697080, 298529020, 462719981, 597058040, 925439962, 1850879924, 2313599905, 3701759848, 4627199810, 9254399620, 18508799240]

約数ペア:

[(1, 18508799240), (2, 9254399620), (4, 4627199810), (5, 3701759848), (8, 2313599905), (10, 1850879924), (20, 925439962), (31, 597058040), (40, 462719981), (62, 298529020), (103, 179697080), (124, 149264510), (155, 119411608), (206, 89848540), (248, 74632255), (310, 59705804), (412, 44924270), (515, 35939416), (620, 29852902), (824, 22462135), (1030, 17969708), (1240, 14926451), (2060, 8984854), (3193, 5796680), (4120, 4492427), (6386, 2898340), (12772, 1449170), (15965, 1159336), (25544, 724585), (31930, 579668), (63860, 289834), (127720, 144917)]