19045720

素因数分解:

$2^3\times 5^1\times {\mathrm{476143}}^1$

素因数の和:476154

約数の個数: 16

約数和(自身を含む): 42852960

約数和(自身を除く): 23807240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 476143, 952286, 1904572, 2380715, 3809144, 4761430, 9522860, 19045720]

約数ペア:

[(1, 19045720), (2, 9522860), (4, 4761430), (5, 3809144), (8, 2380715), (10, 1904572), (20, 952286), (40, 476143)]