18313620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 56391552

約数和(自身を除く): 38077932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 130, 156, 159, 195, 212, 260, 265, 318, 390, 443, 530, 636, 689, 780, 795, 886, 1060, 1329, 1378, 1590, 1772, 2067, 2215, 2658, 2756, 3180, 3445, 4134, 4430, 5316, 5759, 6645, 6890, 8268, 8860, 10335, 11518, 13290, 13780, 17277, 20670, 23036, 23479, 26580, 28795, 34554, 41340, 46958, 57590, 69108, 70437, 86385, 93916, 115180, 117395, 140874, 172770, 234790, 281748, 305227, 345540, 352185, 469580, 610454, 704370, 915681, 1220908, 1408740, 1526135, 1831362, 3052270, 3662724, 4578405, 6104540, 9156810, 18313620]

約数ペア:

[(1, 18313620), (2, 9156810), (3, 6104540), (4, 4578405), (5, 3662724), (6, 3052270), (10, 1831362), (12, 1526135), (13, 1408740), (15, 1220908), (20, 915681), (26, 704370), (30, 610454), (39, 469580), (52, 352185), (53, 345540), (60, 305227), (65, 281748), (78, 234790), (106, 172770), (130, 140874), (156, 117395), (159, 115180), (195, 93916), (212, 86385), (260, 70437), (265, 69108), (318, 57590), (390, 46958), (443, 41340), (530, 34554), (636, 28795), (689, 26580), (780, 23479), (795, 23036), (886, 20670), (1060, 17277), (1329, 13780), (1378, 13290), (1590, 11518), (1772, 10335), (2067, 8860), (2215, 8268), (2658, 6890), (2756, 6645), (3180, 5759), (3445, 5316), (4134, 4430)]