18846685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 27232128

約数和(自身を除く): 8385443

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 473, 559, 613, 715, 2365, 2795, 3065, 6149, 6743, 7969, 26359, 30745, 33715, 39845, 87659, 131795, 289949, 342667, 438295, 1449745, 1713335, 3769337, 18846685]

約数ペア:

[(1, 18846685), (5, 3769337), (11, 1713335), (13, 1449745), (43, 438295), (55, 342667), (65, 289949), (143, 131795), (215, 87659), (473, 39845), (559, 33715), (613, 30745), (715, 26359), (2365, 7969), (2795, 6743), (3065, 6149)]