18382455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 39809952

約数和(自身を除く): 21427497

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 67, 91, 105, 117, 195, 201, 273, 315, 335, 455, 469, 585, 603, 819, 871, 1005, 1365, 1407, 2345, 2613, 3015, 4095, 4221, 4355, 4489, 6097, 7035, 7839, 13065, 13467, 18291, 21105, 22445, 30485, 31423, 39195, 40401, 54873, 58357, 67335, 91455, 94269, 157115, 175071, 202005, 274365, 282807, 291785, 408499, 471345, 525213, 875355, 1225497, 1414035, 2042495, 2626065, 3676491, 6127485, 18382455]

約数ペア:

[(1, 18382455), (3, 6127485), (5, 3676491), (7, 2626065), (9, 2042495), (13, 1414035), (15, 1225497), (21, 875355), (35, 525213), (39, 471345), (45, 408499), (63, 291785), (65, 282807), (67, 274365), (91, 202005), (105, 175071), (117, 157115), (195, 94269), (201, 91455), (273, 67335), (315, 58357), (335, 54873), (455, 40401), (469, 39195), (585, 31423), (603, 30485), (819, 22445), (871, 21105), (1005, 18291), (1365, 13467), (1407, 13065), (2345, 7839), (2613, 7035), (3015, 6097), (4095, 4489), (4221, 4355)]