18247240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{367}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 45308160

約数和(自身を除く): 27060920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 367, 440, 452, 565, 734, 904, 1130, 1243, 1468, 1835, 2260, 2486, 2936, 3670, 4037, 4520, 4972, 6215, 7340, 8074, 9944, 12430, 14680, 16148, 20185, 24860, 32296, 40370, 41471, 49720, 80740, 82942, 161480, 165884, 207355, 331768, 414710, 456181, 829420, 912362, 1658840, 1824724, 2280905, 3649448, 4561810, 9123620, 18247240]

約数ペア:

[(1, 18247240), (2, 9123620), (4, 4561810), (5, 3649448), (8, 2280905), (10, 1824724), (11, 1658840), (20, 912362), (22, 829420), (40, 456181), (44, 414710), (55, 331768), (88, 207355), (110, 165884), (113, 161480), (220, 82942), (226, 80740), (367, 49720), (440, 41471), (452, 40370), (565, 32296), (734, 24860), (904, 20185), (1130, 16148), (1243, 14680), (1468, 12430), (1835, 9944), (2260, 8074), (2486, 7340), (2936, 6215), (3670, 4972), (4037, 4520)]