18918216

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2551}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 51754560

約数和(自身を除く): 32836344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2551, 3708, 5102, 7416, 7653, 10204, 15306, 20408, 22959, 30612, 45918, 61224, 91836, 183672, 262753, 525506, 788259, 1051012, 1576518, 2102024, 2364777, 3153036, 4729554, 6306072, 9459108, 18918216]

約数ペア:

[(1, 18918216), (2, 9459108), (3, 6306072), (4, 4729554), (6, 3153036), (8, 2364777), (9, 2102024), (12, 1576518), (18, 1051012), (24, 788259), (36, 525506), (72, 262753), (103, 183672), (206, 91836), (309, 61224), (412, 45918), (618, 30612), (824, 22959), (927, 20408), (1236, 15306), (1854, 10204), (2472, 7653), (2551, 7416), (3708, 5102)]