18408688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67679}}^1$

素因数の和:67704

約数の個数: 20

約数和(自身を含む): 37765440

約数和(自身を除く): 19356752

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67679, 135358, 270716, 541432, 1082864, 1150543, 2301086, 4602172, 9204344, 18408688]

約数ペア:

[(1, 18408688), (2, 9204344), (4, 4602172), (8, 2301086), (16, 1150543), (17, 1082864), (34, 541432), (68, 270716), (136, 135358), (272, 67679)]