18509361

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 27783168

約数和(自身を除く): 9273807

約数列:

[1, 3, 13, 37, 39, 101, 111, 127, 303, 381, 481, 1313, 1443, 1651, 3737, 3939, 4699, 4953, 11211, 12827, 14097, 38481, 48581, 61087, 145743, 166751, 183261, 474599, 500253, 1423797, 6169787, 18509361]

約数ペア:

[(1, 18509361), (3, 6169787), (13, 1423797), (37, 500253), (39, 474599), (101, 183261), (111, 166751), (127, 145743), (303, 61087), (381, 48581), (481, 38481), (1313, 14097), (1443, 12827), (1651, 11211), (3737, 4953), (3939, 4699)]