18397886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1453}}^1$

素因数の和:1955

約数の個数: 16

約数和(自身を含む): 29801184

約数和(自身を除く): 11403298

約数列:

[1, 2, 13, 26, 487, 974, 1453, 2906, 6331, 12662, 18889, 37778, 707611, 1415222, 9198943, 18397886]

約数ペア:

[(1, 18397886), (2, 9198943), (13, 1415222), (26, 707611), (487, 37778), (974, 18889), (1453, 12662), (2906, 6331)]