19328728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{142123}}^1$

素因数の和:142146

約数の個数: 16

約数和(自身を含む): 38373480

約数和(自身を除く): 19044752

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 142123, 284246, 568492, 1136984, 2416091, 4832182, 9664364, 19328728]

約数ペア:

[(1, 19328728), (2, 9664364), (4, 4832182), (8, 2416091), (17, 1136984), (34, 568492), (68, 284246), (136, 142123)]