18356072

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 23115928

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 89, 116, 127, 178, 203, 232, 254, 356, 406, 508, 623, 712, 812, 889, 1016, 1246, 1624, 1778, 2492, 2581, 3556, 3683, 4984, 5162, 7112, 7366, 10324, 11303, 14732, 18067, 20648, 22606, 25781, 29464, 36134, 45212, 51562, 72268, 79121, 90424, 103124, 144536, 158242, 206248, 316484, 327787, 632968, 655574, 1311148, 2294509, 2622296, 4589018, 9178036, 18356072]

約数ペア:

[(1, 18356072), (2, 9178036), (4, 4589018), (7, 2622296), (8, 2294509), (14, 1311148), (28, 655574), (29, 632968), (56, 327787), (58, 316484), (89, 206248), (116, 158242), (127, 144536), (178, 103124), (203, 90424), (232, 79121), (254, 72268), (356, 51562), (406, 45212), (508, 36134), (623, 29464), (712, 25781), (812, 22606), (889, 20648), (1016, 18067), (1246, 14732), (1624, 11303), (1778, 10324), (2492, 7366), (2581, 7112), (3556, 5162), (3683, 4984)]