20171955986

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{16811}}^1$

素因数の和:17199

約数の個数: 64

約数和(自身を含む): 39315870720

約数和(自身を除く): 19143914734

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 347, 494, 694, 1729, 2429, 3458, 4511, 4858, 6593, 9022, 13186, 16811, 31577, 33622, 46151, 63154, 85709, 92302, 117677, 171418, 218543, 235354, 319409, 437086, 599963, 638818, 1199926, 1529801, 2235863, 3059602, 4152317, 4471726, 5833417, 8304634, 11666834, 29066219, 40833919, 58132438, 75834421, 81667838, 110834923, 151668842, 221669846, 530840947, 775844461, 1061681894, 1440853999, 1551688922, 2881707998, 10085977993, 20171955986]

約数ペア:

[(1, 20171955986), (2, 10085977993), (7, 2881707998), (13, 1551688922), (14, 1440853999), (19, 1061681894), (26, 775844461), (38, 530840947), (91, 221669846), (133, 151668842), (182, 110834923), (247, 81667838), (266, 75834421), (347, 58132438), (494, 40833919), (694, 29066219), (1729, 11666834), (2429, 8304634), (3458, 5833417), (4511, 4471726), (4858, 4152317), (6593, 3059602), (9022, 2235863), (13186, 1529801), (16811, 1199926), (31577, 638818), (33622, 599963), (46151, 437086), (63154, 319409), (85709, 235354), (92302, 218543), (117677, 171418)]