18973119

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 29111040

約数和(自身を除く): 10137921

約数列:

[1, 3, 11, 33, 37, 41, 111, 123, 379, 407, 451, 1137, 1221, 1353, 1517, 4169, 4551, 12507, 14023, 15539, 16687, 42069, 46617, 50061, 154253, 170929, 462759, 512787, 574943, 1724829, 6324373, 18973119]

約数ペア:

[(1, 18973119), (3, 6324373), (11, 1724829), (33, 574943), (37, 512787), (41, 462759), (111, 170929), (123, 154253), (379, 50061), (407, 46617), (451, 42069), (1137, 16687), (1221, 15539), (1353, 14023), (1517, 12507), (4169, 4551)]