18831505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 28885248

約数和(自身を除く): 10053743

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 1193, 1435, 2255, 3157, 5965, 8351, 13123, 15785, 41755, 48913, 65615, 91861, 244565, 342391, 459305, 538043, 1711955, 2690215, 3766301, 18831505]

約数ペア:

[(1, 18831505), (5, 3766301), (7, 2690215), (11, 1711955), (35, 538043), (41, 459305), (55, 342391), (77, 244565), (205, 91861), (287, 65615), (385, 48913), (451, 41755), (1193, 15785), (1435, 13123), (2255, 8351), (3157, 5965)]