18503078

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:668

約数の個数: 24

約数和(自身を含む): 30764496

約数和(自身を除く): 12261418

約数列:

[1, 2, 11, 22, 121, 157, 242, 314, 487, 974, 1727, 3454, 5357, 10714, 18997, 37994, 58927, 76459, 117854, 152918, 841049, 1682098, 9251539, 18503078]

約数ペア:

[(1, 18503078), (2, 9251539), (11, 1682098), (22, 841049), (121, 152918), (157, 117854), (242, 76459), (314, 58927), (487, 37994), (974, 18997), (1727, 10714), (3454, 5357)]