17719984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{65147}}^1$

素因数の和:65172

約数の個数: 20

約数和(自身を含む): 36352584

約数和(自身を除く): 18632600

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 65147, 130294, 260588, 521176, 1042352, 1107499, 2214998, 4429996, 8859992, 17719984]

約数ペア:

[(1, 17719984), (2, 8859992), (4, 4429996), (8, 2214998), (16, 1107499), (17, 1042352), (34, 521176), (68, 260588), (136, 130294), (272, 65147)]