19562540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13399}}^1$

素因数の和:13481

約数の個数: 24

約数和(自身を含む): 41647200

約数和(自身を除く): 22084660

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13399, 26798, 53596, 66995, 133990, 267980, 978127, 1956254, 3912508, 4890635, 9781270, 19562540]

約数ペア:

[(1, 19562540), (2, 9781270), (4, 4890635), (5, 3912508), (10, 1956254), (20, 978127), (73, 267980), (146, 133990), (292, 66995), (365, 53596), (730, 26798), (1460, 13399)]