12990438

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{11831}}^1$

素因数の和:11900

約数の個数: 24

約数和(自身を含む): 28609776

約数和(自身を除く): 15619338

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 11831, 23662, 35493, 70986, 106479, 212958, 721691, 1443382, 2165073, 4330146, 6495219, 12990438]

約数ペア:

[(1, 12990438), (2, 6495219), (3, 4330146), (6, 2165073), (9, 1443382), (18, 721691), (61, 212958), (122, 106479), (183, 70986), (366, 35493), (549, 23662), (1098, 11831)]