18078170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1103}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 35769600

約数和(自身を除く): 17691430

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1103, 1490, 1639, 2206, 3278, 5515, 8195, 11030, 12133, 16390, 24266, 60665, 121330, 164347, 328694, 821735, 1643470, 1807817, 3615634, 9039085, 18078170]

約数ペア:

[(1, 18078170), (2, 9039085), (5, 3615634), (10, 1807817), (11, 1643470), (22, 821735), (55, 328694), (110, 164347), (149, 121330), (298, 60665), (745, 24266), (1103, 16390), (1490, 12133), (1639, 11030), (2206, 8195), (3278, 5515)]