18962072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2081}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 38225520

約数和(自身を除く): 19263448

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2081, 2278, 4162, 4556, 8324, 9112, 16648, 35377, 70754, 139427, 141508, 278854, 283016, 557708, 1115416, 2370259, 4740518, 9481036, 18962072]

約数ペア:

[(1, 18962072), (2, 9481036), (4, 4740518), (8, 2370259), (17, 1115416), (34, 557708), (67, 283016), (68, 278854), (134, 141508), (136, 139427), (268, 70754), (536, 35377), (1139, 16648), (2081, 9112), (2278, 8324), (4162, 4556)]