2019765890

素因数分解:

$2^1\times 5^1\times {\mathrm{8161}}^1\times {\mathrm{24749}}^1$

素因数の和:32917

約数の個数: 16

約数和(自身を含む): 3636171000

約数和(自身を除く): 1616405110

約数列:

[1, 2, 5, 10, 8161, 16322, 24749, 40805, 49498, 81610, 123745, 247490, 201976589, 403953178, 1009882945, 2019765890]

約数ペア:

[(1, 2019765890), (2, 1009882945), (5, 403953178), (10, 201976589), (8161, 247490), (16322, 123745), (24749, 81610), (40805, 49498)]