18404368

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{2957}}^1$

素因数の和:3354

約数の個数: 20

約数和(自身を含む): 35762220

約数和(自身を除く): 17357852

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 2957, 3112, 5914, 6224, 11828, 23656, 47312, 1150273, 2300546, 4601092, 9202184, 18404368]

約数ペア:

[(1, 18404368), (2, 9202184), (4, 4601092), (8, 2300546), (16, 1150273), (389, 47312), (778, 23656), (1556, 11828), (2957, 6224), (3112, 5914)]