1961968

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{2609}}^1$

素因数の和:2664

約数の個数: 20

約数和(自身を含む): 3883680

約数和(自身を除く): 1921712

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 2609, 5218, 10436, 20872, 41744, 122623, 245246, 490492, 980984, 1961968]

約数ペア:

[(1, 1961968), (2, 980984), (4, 490492), (8, 245246), (16, 122623), (47, 41744), (94, 20872), (188, 10436), (376, 5218), (752, 2609)]