18263980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130457}}^1$

素因数の和:130473

約数の個数: 24

約数和(自身を含む): 43833888

約数和(自身を除く): 25569908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130457, 260914, 521828, 652285, 913199, 1304570, 1826398, 2609140, 3652796, 4565995, 9131990, 18263980]

約数ペア:

[(1, 18263980), (2, 9131990), (4, 4565995), (5, 3652796), (7, 2609140), (10, 1826398), (14, 1304570), (20, 913199), (28, 652285), (35, 521828), (70, 260914), (140, 130457)]