2155805968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{228757}}^1$

素因数の和:228815

約数の個数: 40

約数和(自身を含む): 4538558720

約数和(自身を除く): 2382752752

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 228757, 457514, 915028, 1830056, 3660112, 4346383, 7091467, 8692766, 14182934, 17385532, 28365868, 34771064, 56731736, 69542128, 113463472, 134737873, 269475746, 538951492, 1077902984, 2155805968]

約数ペア:

[(1, 2155805968), (2, 1077902984), (4, 538951492), (8, 269475746), (16, 134737873), (19, 113463472), (31, 69542128), (38, 56731736), (62, 34771064), (76, 28365868), (124, 17385532), (152, 14182934), (248, 8692766), (304, 7091467), (496, 4346383), (589, 3660112), (1178, 1830056), (2356, 915028), (4712, 457514), (9424, 228757)]