13911140

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1993}}^1$

素因数の和:2351

約数の個数: 24

約数和(自身を含む): 29311800

約数和(自身を除く): 15400660

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 1993, 3490, 3986, 6980, 7972, 9965, 19930, 39860, 695557, 1391114, 2782228, 3477785, 6955570, 13911140]

約数ペア:

[(1, 13911140), (2, 6955570), (4, 3477785), (5, 2782228), (10, 1391114), (20, 695557), (349, 39860), (698, 19930), (1396, 9965), (1745, 7972), (1993, 6980), (3490, 3986)]