19228139

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 24303888

約数和(自身を除く): 5075749

約数列:

[1, 7, 17, 41, 49, 119, 287, 563, 697, 833, 2009, 3941, 4879, 9571, 23083, 27587, 34153, 66997, 161581, 392411, 468979, 1131067, 2746877, 19228139]

約数ペア:

[(1, 19228139), (7, 2746877), (17, 1131067), (41, 468979), (49, 392411), (119, 161581), (287, 66997), (563, 34153), (697, 27587), (833, 23083), (2009, 9571), (3941, 4879)]