18808894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 32223744

約数和(自身を除く): 13414850

約数列:

[1, 2, 13, 23, 26, 46, 71, 142, 299, 443, 598, 886, 923, 1633, 1846, 3266, 5759, 10189, 11518, 20378, 21229, 31453, 42458, 62906, 132457, 264914, 408889, 723419, 817778, 1446838, 9404447, 18808894]

約数ペア:

[(1, 18808894), (2, 9404447), (13, 1446838), (23, 817778), (26, 723419), (46, 408889), (71, 264914), (142, 132457), (299, 62906), (443, 42458), (598, 31453), (886, 21229), (923, 20378), (1633, 11518), (1846, 10189), (3266, 5759)]