18228945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1367}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 33619968

約数和(自身を除く): 15391023

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1367, 1905, 2667, 4101, 4445, 6835, 9569, 13335, 20505, 28707, 47845, 143535, 173609, 520827, 868045, 1215263, 2604135, 3645789, 6076315, 18228945]

約数ペア:

[(1, 18228945), (3, 6076315), (5, 3645789), (7, 2604135), (15, 1215263), (21, 868045), (35, 520827), (105, 173609), (127, 143535), (381, 47845), (635, 28707), (889, 20505), (1367, 13335), (1905, 9569), (2667, 6835), (4101, 4445)]