19549972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4759}}^1$

素因数の和:4855

約数の個数: 24

約数和(自身を含む): 37318400

約数和(自身を除く): 17768428

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4759, 9518, 19036, 61867, 123734, 247468, 375961, 751922, 1503844, 4887493, 9774986, 19549972]

約数ペア:

[(1, 19549972), (2, 9774986), (4, 4887493), (13, 1503844), (26, 751922), (52, 375961), (79, 247468), (158, 123734), (316, 61867), (1027, 19036), (2054, 9518), (4108, 4759)]