17847940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2668

約数の個数: 48

約数和(自身を含む): 42223104

約数和(自身を除く): 24375164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2617, 3410, 5234, 6820, 10468, 13085, 26170, 28787, 52340, 57574, 81127, 115148, 143935, 162254, 287870, 324508, 405635, 575740, 811270, 892397, 1622540, 1784794, 3569588, 4461985, 8923970, 17847940]

約数ペア:

[(1, 17847940), (2, 8923970), (4, 4461985), (5, 3569588), (10, 1784794), (11, 1622540), (20, 892397), (22, 811270), (31, 575740), (44, 405635), (55, 324508), (62, 287870), (110, 162254), (124, 143935), (155, 115148), (220, 81127), (310, 57574), (341, 52340), (620, 28787), (682, 26170), (1364, 13085), (1705, 10468), (2617, 6820), (3410, 5234)]