18618756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 48629952

約数和(自身を除く): 30011196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 71, 78, 82, 123, 142, 156, 164, 213, 246, 284, 426, 492, 533, 852, 923, 1066, 1599, 1681, 1846, 2132, 2769, 2911, 3198, 3362, 3692, 5043, 5538, 5822, 6396, 6724, 8733, 10086, 11076, 11644, 17466, 20172, 21853, 34932, 37843, 43706, 65559, 75686, 87412, 113529, 119351, 131118, 151372, 227058, 238702, 262236, 358053, 454116, 477404, 716106, 1432212, 1551563, 3103126, 4654689, 6206252, 9309378, 18618756]

約数ペア:

[(1, 18618756), (2, 9309378), (3, 6206252), (4, 4654689), (6, 3103126), (12, 1551563), (13, 1432212), (26, 716106), (39, 477404), (41, 454116), (52, 358053), (71, 262236), (78, 238702), (82, 227058), (123, 151372), (142, 131118), (156, 119351), (164, 113529), (213, 87412), (246, 75686), (284, 65559), (426, 43706), (492, 37843), (533, 34932), (852, 21853), (923, 20172), (1066, 17466), (1599, 11644), (1681, 11076), (1846, 10086), (2132, 8733), (2769, 6724), (2911, 6396), (3198, 5822), (3362, 5538), (3692, 5043)]