18066620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6317}}^1$

素因数の和:6350

約数の個数: 48

約数和(自身を含む): 44579808

約数和(自身を除く): 26513188

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6317, 12634, 25268, 31585, 63170, 69487, 82121, 126340, 138974, 164242, 277948, 328484, 347435, 410605, 694870, 821210, 903331, 1389740, 1642420, 1806662, 3613324, 4516655, 9033310, 18066620]

約数ペア:

[(1, 18066620), (2, 9033310), (4, 4516655), (5, 3613324), (10, 1806662), (11, 1642420), (13, 1389740), (20, 903331), (22, 821210), (26, 694870), (44, 410605), (52, 347435), (55, 328484), (65, 277948), (110, 164242), (130, 138974), (143, 126340), (220, 82121), (260, 69487), (286, 63170), (572, 31585), (715, 25268), (1430, 12634), (2860, 6317)]