18711260

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 40612320

約数和(自身を除く): 21901060

約数列:

[1, 2, 4, 5, 10, 20, 59, 101, 118, 157, 202, 236, 295, 314, 404, 505, 590, 628, 785, 1010, 1180, 1570, 2020, 3140, 5959, 9263, 11918, 15857, 18526, 23836, 29795, 31714, 37052, 46315, 59590, 63428, 79285, 92630, 119180, 158570, 185260, 317140, 935563, 1871126, 3742252, 4677815, 9355630, 18711260]

約数ペア:

[(1, 18711260), (2, 9355630), (4, 4677815), (5, 3742252), (10, 1871126), (20, 935563), (59, 317140), (101, 185260), (118, 158570), (157, 119180), (202, 92630), (236, 79285), (295, 63428), (314, 59590), (404, 46315), (505, 37052), (590, 31714), (628, 29795), (785, 23836), (1010, 18526), (1180, 15857), (1570, 11918), (2020, 9263), (3140, 5959)]