19850305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5431}}^1$

素因数の和:5496

約数の個数: 16

約数和(自身を含む): 25812864

約数和(自身を除く): 5962559

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5431, 27155, 92327, 233533, 461635, 1167665, 3970061, 19850305]

約数ペア:

[(1, 19850305), (5, 3970061), (17, 1167665), (43, 461635), (85, 233533), (215, 92327), (731, 27155), (3655, 5431)]