18270018

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 42981120

約数和(自身を除く): 24711102

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 163, 234, 326, 479, 489, 958, 978, 1437, 1467, 2119, 2874, 2934, 4238, 4311, 6227, 6357, 8622, 12454, 12714, 18681, 19071, 37362, 38142, 56043, 78077, 112086, 156154, 234231, 468462, 702693, 1015001, 1405386, 2030002, 3045003, 6090006, 9135009, 18270018]

約数ペア:

[(1, 18270018), (2, 9135009), (3, 6090006), (6, 3045003), (9, 2030002), (13, 1405386), (18, 1015001), (26, 702693), (39, 468462), (78, 234231), (117, 156154), (163, 112086), (234, 78077), (326, 56043), (479, 38142), (489, 37362), (958, 19071), (978, 18681), (1437, 12714), (1467, 12454), (2119, 8622), (2874, 6357), (2934, 6227), (4238, 4311)]