18658432

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11213}}^1$

素因数の和:11240

約数の個数: 32

約数和(自身を含む): 40033980

約数和(自身を除く): 21375548

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11213, 22426, 44852, 89704, 145769, 179408, 291538, 358816, 583076, 717632, 1166152, 1435264, 2332304, 4664608, 9329216, 18658432]

約数ペア:

[(1, 18658432), (2, 9329216), (4, 4664608), (8, 2332304), (13, 1435264), (16, 1166152), (26, 717632), (32, 583076), (52, 358816), (64, 291538), (104, 179408), (128, 145769), (208, 89704), (416, 44852), (832, 22426), (1664, 11213)]