17989438

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{907}}^1$

素因数の和:1167

約数の個数: 16

約数和(自身を含む): 27719424

約数和(自身を除く): 9729986

約数列:

[1, 2, 47, 94, 211, 422, 907, 1814, 9917, 19834, 42629, 85258, 191377, 382754, 8994719, 17989438]

約数ペア:

[(1, 17989438), (2, 8994719), (47, 382754), (94, 191377), (211, 85258), (422, 42629), (907, 19834), (1814, 9917)]