18556000209

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{74873}}^1$

素因数の和:75086

約数の個数: 32

約数和(自身を含む): 28104704640

約数和(自身を除く): 9548704431

約数列:

[1, 3, 9, 27, 67, 137, 201, 411, 603, 1233, 1809, 3699, 9179, 27537, 74873, 82611, 224619, 247833, 673857, 2021571, 5016491, 10257601, 15049473, 30772803, 45148419, 92318409, 135445257, 276955227, 687259267, 2061777801, 6185333403, 18556000209]

約数ペア:

[(1, 18556000209), (3, 6185333403), (9, 2061777801), (27, 687259267), (67, 276955227), (137, 135445257), (201, 92318409), (411, 45148419), (603, 30772803), (1233, 15049473), (1809, 10257601), (3699, 5016491), (9179, 2021571), (27537, 673857), (74873, 247833), (82611, 224619)]