19878976

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23893}}^1$

素因数の和:23918

約数の個数: 28

約数和(自身を含む): 42483532

約数和(自身を除く): 22604556

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 23893, 47786, 95572, 191144, 310609, 382288, 621218, 764576, 1242436, 1529152, 2484872, 4969744, 9939488, 19878976]

約数ペア:

[(1, 19878976), (2, 9939488), (4, 4969744), (8, 2484872), (13, 1529152), (16, 1242436), (26, 764576), (32, 621218), (52, 382288), (64, 310609), (104, 191144), (208, 95572), (416, 47786), (832, 23893)]