18692905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2111}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 29196288

約数和(自身を除く): 10503383

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2111, 8855, 10555, 14777, 23221, 48553, 73885, 116105, 162547, 242765, 339871, 534083, 812735, 1699355, 2670415, 3738581, 18692905]

約数ペア:

[(1, 18692905), (5, 3738581), (7, 2670415), (11, 1699355), (23, 812735), (35, 534083), (55, 339871), (77, 242765), (115, 162547), (161, 116105), (253, 73885), (385, 48553), (805, 23221), (1265, 14777), (1771, 10555), (2111, 8855)]