18900798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{450019}}^1$

素因数の和:450031

約数の個数: 16

約数和(自身を含む): 43201920

約数和(自身を除く): 24301122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 450019, 900038, 1350057, 2700114, 3150133, 6300266, 9450399, 18900798]

約数ペア:

[(1, 18900798), (2, 9450399), (3, 6300266), (6, 3150133), (7, 2700114), (14, 1350057), (21, 900038), (42, 450019)]