2018997915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{394721}}^1$

素因数の和:394771

約数の個数: 32

約数和(自身を含む): 3637757952

約数和(自身を除く): 1618760037

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 5115, 394721, 1184163, 1973605, 4341931, 5920815, 12236351, 13025793, 21709655, 36709053, 61181755, 65128965, 134599861, 183545265, 403799583, 672999305, 2018997915]

約数ペア:

[(1, 2018997915), (3, 672999305), (5, 403799583), (11, 183545265), (15, 134599861), (31, 65128965), (33, 61181755), (55, 36709053), (93, 21709655), (155, 13025793), (165, 12236351), (341, 5920815), (465, 4341931), (1023, 1973605), (1705, 1184163), (5115, 394721)]