18071031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 28408320

約数和(自身を除く): 10337289

約数列:

[1, 3, 11, 23, 29, 33, 69, 87, 253, 319, 667, 759, 821, 957, 2001, 2463, 7337, 9031, 18883, 22011, 23809, 27093, 56649, 71427, 207713, 261899, 547607, 623139, 785697, 1642821, 6023677, 18071031]

約数ペア:

[(1, 18071031), (3, 6023677), (11, 1642821), (23, 785697), (29, 623139), (33, 547607), (69, 261899), (87, 207713), (253, 71427), (319, 56649), (667, 27093), (759, 23809), (821, 22011), (957, 18883), (2001, 9031), (2463, 7337)]