18232520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4513}}^1$

素因数の和:4625

約数の個数: 32

約数和(自身を含む): 41438520

約数和(自身を除く): 23206000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4513, 9026, 18052, 22565, 36104, 45130, 90260, 180520, 455813, 911626, 1823252, 2279065, 3646504, 4558130, 9116260, 18232520]

約数ペア:

[(1, 18232520), (2, 9116260), (4, 4558130), (5, 3646504), (8, 2279065), (10, 1823252), (20, 911626), (40, 455813), (101, 180520), (202, 90260), (404, 45130), (505, 36104), (808, 22565), (1010, 18052), (2020, 9026), (4040, 4513)]