18521145

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6143}}^1$

素因数の和:6221

約数の個数: 24

約数和(自身を含む): 32587776

約数和(自身を除く): 14066631

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6143, 18429, 30715, 55287, 92145, 276435, 411581, 1234743, 2057905, 3704229, 6173715, 18521145]

約数ペア:

[(1, 18521145), (3, 6173715), (5, 3704229), (9, 2057905), (15, 1234743), (45, 411581), (67, 276435), (201, 92145), (335, 55287), (603, 30715), (1005, 18429), (3015, 6143)]