18682840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42461}}^1$

素因数の和:42483

約数の個数: 32

約数和(自身を含む): 45858960

約数和(自身を除く): 27176120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42461, 84922, 169844, 212305, 339688, 424610, 467071, 849220, 934142, 1698440, 1868284, 2335355, 3736568, 4670710, 9341420, 18682840]

約数ペア:

[(1, 18682840), (2, 9341420), (4, 4670710), (5, 3736568), (8, 2335355), (10, 1868284), (11, 1698440), (20, 934142), (22, 849220), (40, 467071), (44, 424610), (55, 339688), (88, 212305), (110, 169844), (220, 84922), (440, 42461)]