15440464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3907}}^1$

素因数の和:3947

約数の個数: 40

約数和(自身を含む): 33921440

約数和(自身を除く): 18480976

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3907, 3952, 7814, 15628, 31256, 50791, 62512, 74233, 101582, 148466, 203164, 296932, 406328, 593864, 812656, 965029, 1187728, 1930058, 3860116, 7720232, 15440464]

約数ペア:

[(1, 15440464), (2, 7720232), (4, 3860116), (8, 1930058), (13, 1187728), (16, 965029), (19, 812656), (26, 593864), (38, 406328), (52, 296932), (76, 203164), (104, 148466), (152, 101582), (208, 74233), (247, 62512), (304, 50791), (494, 31256), (988, 15628), (1976, 7814), (3907, 3952)]