18868928

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{22679}}^1$

素因数の和:22704

約数の個数: 28

約数和(自身を含む): 40325040

約数和(自身を除く): 21456112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 22679, 45358, 90716, 181432, 294827, 362864, 589654, 725728, 1179308, 1451456, 2358616, 4717232, 9434464, 18868928]

約数ペア:

[(1, 18868928), (2, 9434464), (4, 4717232), (8, 2358616), (13, 1451456), (16, 1179308), (26, 725728), (32, 589654), (52, 362864), (64, 294827), (104, 181432), (208, 90716), (416, 45358), (832, 22679)]