18969458

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1129}}^1$

素因数の和:1433

約数の個数: 16

約数和(自身を含む): 29506560

約数和(自身を除く): 10537102

約数列:

[1, 2, 31, 62, 271, 542, 1129, 2258, 8401, 16802, 34999, 69998, 305959, 611918, 9484729, 18969458]

約数ペア:

[(1, 18969458), (2, 9484729), (31, 611918), (62, 305959), (271, 69998), (542, 34999), (1129, 16802), (2258, 8401)]