18906370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1657}}^1$

素因数の和:1834

約数の個数: 32

約数和(自身を含む): 39155328

約数和(自身を除く): 20248958

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 1657, 2282, 3314, 5705, 8285, 11410, 11599, 16570, 23198, 57995, 115990, 270091, 540182, 1350455, 1890637, 2700910, 3781274, 9453185, 18906370]

約数ペア:

[(1, 18906370), (2, 9453185), (5, 3781274), (7, 2700910), (10, 1890637), (14, 1350455), (35, 540182), (70, 270091), (163, 115990), (326, 57995), (815, 23198), (1141, 16570), (1630, 11599), (1657, 11410), (2282, 8285), (3314, 5705)]