19005235280

素因数分解:

$2^4\times 5^1\times {\mathrm{4721}}^1\times {\mathrm{50321}}^1$

素因数の和:55055

約数の個数: 40

約数和(自身を含む): 44197410024

約数和(自身を除く): 25192174744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4721, 9442, 18884, 23605, 37768, 47210, 50321, 75536, 94420, 100642, 188840, 201284, 251605, 377680, 402568, 503210, 805136, 1006420, 2012840, 4025680, 237565441, 475130882, 950261764, 1187827205, 1900523528, 2375654410, 3801047056, 4751308820, 9502617640, 19005235280]

約数ペア:

[(1, 19005235280), (2, 9502617640), (4, 4751308820), (5, 3801047056), (8, 2375654410), (10, 1900523528), (16, 1187827205), (20, 950261764), (40, 475130882), (80, 237565441), (4721, 4025680), (9442, 2012840), (18884, 1006420), (23605, 805136), (37768, 503210), (47210, 402568), (50321, 377680), (75536, 251605), (94420, 201284), (100642, 188840)]