18162963

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 32870656

約数和(自身を除く): 14707693

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 67, 91, 117, 201, 273, 331, 469, 603, 819, 871, 993, 1407, 2317, 2613, 2979, 4221, 4303, 6097, 6951, 7839, 12909, 18291, 20853, 22177, 30121, 38727, 54873, 66531, 90363, 155239, 199593, 271089, 288301, 465717, 864903, 1397151, 2018107, 2594709, 6054321, 18162963]

約数ペア:

[(1, 18162963), (3, 6054321), (7, 2594709), (9, 2018107), (13, 1397151), (21, 864903), (39, 465717), (63, 288301), (67, 271089), (91, 199593), (117, 155239), (201, 90363), (273, 66531), (331, 54873), (469, 38727), (603, 30121), (819, 22177), (871, 20853), (993, 18291), (1407, 12909), (2317, 7839), (2613, 6951), (2979, 6097), (4221, 4303)]