19792480

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1201}}^1$

素因数の和:1319

約数の個数: 48

約数和(自身を含む): 47253024

約数和(自身を除く): 27460544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1201, 1648, 2060, 2402, 3296, 4120, 4804, 6005, 8240, 9608, 12010, 16480, 19216, 24020, 38432, 48040, 96080, 123703, 192160, 247406, 494812, 618515, 989624, 1237030, 1979248, 2474060, 3958496, 4948120, 9896240, 19792480]

約数ペア:

[(1, 19792480), (2, 9896240), (4, 4948120), (5, 3958496), (8, 2474060), (10, 1979248), (16, 1237030), (20, 989624), (32, 618515), (40, 494812), (80, 247406), (103, 192160), (160, 123703), (206, 96080), (412, 48040), (515, 38432), (824, 24020), (1030, 19216), (1201, 16480), (1648, 12010), (2060, 9608), (2402, 8240), (3296, 6005), (4120, 4804)]