19780506

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47779}}^1$

素因数の和:47810

約数の個数: 24

約数和(自身を含む): 44722080

約数和(自身を除く): 24941574

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 47779, 95558, 143337, 286674, 430011, 860022, 1098917, 2197834, 3296751, 6593502, 9890253, 19780506]

約数ペア:

[(1, 19780506), (2, 9890253), (3, 6593502), (6, 3296751), (9, 2197834), (18, 1098917), (23, 860022), (46, 430011), (69, 286674), (138, 143337), (207, 95558), (414, 47779)]