17982990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199811}}^1$

素因数の和:199824

約数の個数: 24

約数和(自身を含む): 46756008

約数和(自身を除く): 28773018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199811, 399622, 599433, 999055, 1198866, 1798299, 1998110, 2997165, 3596598, 5994330, 8991495, 17982990]

約数ペア:

[(1, 17982990), (2, 8991495), (3, 5994330), (5, 3596598), (6, 2997165), (9, 1998110), (10, 1798299), (15, 1198866), (18, 999055), (30, 599433), (45, 399622), (90, 199811)]