19850955

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 33440256

約数和(自身を除く): 13589301

約数列:

[1, 3, 5, 15, 23, 69, 115, 163, 345, 353, 489, 815, 1059, 1765, 2445, 3749, 5295, 8119, 11247, 18745, 24357, 40595, 56235, 57539, 121785, 172617, 287695, 863085, 1323397, 3970191, 6616985, 19850955]

約数ペア:

[(1, 19850955), (3, 6616985), (5, 3970191), (15, 1323397), (23, 863085), (69, 287695), (115, 172617), (163, 121785), (345, 57539), (353, 56235), (489, 40595), (815, 24357), (1059, 18745), (1765, 11247), (2445, 8119), (3749, 5295)]