18861704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{419}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 37648800

約数和(自身を除く): 18787096

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 331, 419, 662, 838, 1324, 1676, 2648, 3352, 5627, 7123, 11254, 14246, 22508, 28492, 45016, 56984, 138689, 277378, 554756, 1109512, 2357713, 4715426, 9430852, 18861704]

約数ペア:

[(1, 18861704), (2, 9430852), (4, 4715426), (8, 2357713), (17, 1109512), (34, 554756), (68, 277378), (136, 138689), (331, 56984), (419, 45016), (662, 28492), (838, 22508), (1324, 14246), (1676, 11254), (2648, 7123), (3352, 5627)]