19319792

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{7691}}^1$

素因数の和:7856

約数の個数: 20

約数和(自身を含む): 37675416

約数和(自身を除く): 18355624

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 7691, 15382, 30764, 61528, 123056, 1207487, 2414974, 4829948, 9659896, 19319792]

約数ペア:

[(1, 19319792), (2, 9659896), (4, 4829948), (8, 2414974), (16, 1207487), (157, 123056), (314, 61528), (628, 30764), (1256, 15382), (2512, 7691)]