18851456

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11329}}^1$

素因数の和:11356

約数の個数: 32

約数和(自身を含む): 40448100

約数和(自身を除く): 21596644

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11329, 22658, 45316, 90632, 147277, 181264, 294554, 362528, 589108, 725056, 1178216, 1450112, 2356432, 4712864, 9425728, 18851456]

約数ペア:

[(1, 18851456), (2, 9425728), (4, 4712864), (8, 2356432), (13, 1450112), (16, 1178216), (26, 725056), (32, 589108), (52, 362528), (64, 294554), (104, 181264), (128, 147277), (208, 90632), (416, 45316), (832, 22658), (1664, 11329)]