18887799

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 30744576

約数和(自身を除く): 11856777

約数列:

[1, 3, 7, 17, 21, 51, 119, 191, 277, 357, 573, 831, 1337, 1939, 3247, 4011, 4709, 5817, 9741, 14127, 22729, 32963, 52907, 68187, 98889, 158721, 370349, 899419, 1111047, 2698257, 6295933, 18887799]

約数ペア:

[(1, 18887799), (3, 6295933), (7, 2698257), (17, 1111047), (21, 899419), (51, 370349), (119, 158721), (191, 98889), (277, 68187), (357, 52907), (573, 32963), (831, 22729), (1337, 14127), (1939, 9741), (3247, 5817), (4011, 4709)]