18571904

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11161}}^1$

素因数の和:11188

約数の個数: 32

約数和(自身を含む): 39848340

約数和(自身を除く): 21276436

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11161, 22322, 44644, 89288, 145093, 178576, 290186, 357152, 580372, 714304, 1160744, 1428608, 2321488, 4642976, 9285952, 18571904]

約数ペア:

[(1, 18571904), (2, 9285952), (4, 4642976), (8, 2321488), (13, 1428608), (16, 1160744), (26, 714304), (32, 580372), (52, 357152), (64, 290186), (104, 178576), (128, 145093), (208, 89288), (416, 44644), (832, 22322), (1664, 11161)]