18181010

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 15660142

約数列:

[1, 2, 5, 10, 47, 94, 101, 202, 235, 383, 470, 505, 766, 1010, 1915, 3830, 4747, 9494, 18001, 23735, 36002, 38683, 47470, 77366, 90005, 180010, 193415, 386830, 1818101, 3636202, 9090505, 18181010]

約数ペア:

[(1, 18181010), (2, 9090505), (5, 3636202), (10, 1818101), (47, 386830), (94, 193415), (101, 180010), (202, 90005), (235, 77366), (383, 47470), (470, 38683), (505, 36002), (766, 23735), (1010, 18001), (1915, 9494), (3830, 4747)]