18259618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 31091760

約数和(自身を除く): 12832142

約数列:

[1, 2, 13, 26, 29, 58, 61, 122, 377, 397, 754, 793, 794, 1586, 1769, 3538, 5161, 10322, 11513, 22997, 23026, 24217, 45994, 48434, 149669, 299338, 314821, 629642, 702293, 1404586, 9129809, 18259618]

約数ペア:

[(1, 18259618), (2, 9129809), (13, 1404586), (26, 702293), (29, 629642), (58, 314821), (61, 299338), (122, 149669), (377, 48434), (397, 45994), (754, 24217), (793, 23026), (794, 22997), (1586, 11513), (1769, 10322), (3538, 5161)]