18630975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2053}}^1$

素因数の和:2088

約数の個数: 36

約数和(自身を含む): 33874568

約数和(自身を除く): 15243593

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 363, 605, 825, 1815, 2053, 3025, 6159, 9075, 10265, 22583, 30795, 51325, 67749, 112915, 153975, 248413, 338745, 564575, 745239, 1242065, 1693725, 3726195, 6210325, 18630975]

約数ペア:

[(1, 18630975), (3, 6210325), (5, 3726195), (11, 1693725), (15, 1242065), (25, 745239), (33, 564575), (55, 338745), (75, 248413), (121, 153975), (165, 112915), (275, 67749), (363, 51325), (605, 30795), (825, 22583), (1815, 10265), (2053, 9075), (3025, 6159)]