18156937168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{827}}^1\times {\mathrm{72221}}^1$

素因数の和:73075

約数の個数: 40

約数和(自身を含む): 37075885920

約数和(自身を除く): 18918948752

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 827, 1654, 3308, 6616, 13232, 15713, 31426, 62852, 72221, 125704, 144442, 251408, 288884, 577768, 1155536, 1372199, 2744398, 5488796, 10977592, 21955184, 59726767, 119453534, 238907068, 477814136, 955628272, 1134808573, 2269617146, 4539234292, 9078468584, 18156937168]

約数ペア:

[(1, 18156937168), (2, 9078468584), (4, 4539234292), (8, 2269617146), (16, 1134808573), (19, 955628272), (38, 477814136), (76, 238907068), (152, 119453534), (304, 59726767), (827, 21955184), (1654, 10977592), (3308, 5488796), (6616, 2744398), (13232, 1372199), (15713, 1155536), (31426, 577768), (62852, 288884), (72221, 251408), (125704, 144442)]