18641028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{709}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 49938560

約数和(自身を除く): 31297532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 313, 626, 709, 939, 1252, 1418, 1878, 2127, 2191, 2836, 3756, 4254, 4382, 4963, 6573, 8508, 8764, 9926, 13146, 14889, 19852, 26292, 29778, 59556, 221917, 443834, 665751, 887668, 1331502, 1553419, 2663004, 3106838, 4660257, 6213676, 9320514, 18641028]

約数ペア:

[(1, 18641028), (2, 9320514), (3, 6213676), (4, 4660257), (6, 3106838), (7, 2663004), (12, 1553419), (14, 1331502), (21, 887668), (28, 665751), (42, 443834), (84, 221917), (313, 59556), (626, 29778), (709, 26292), (939, 19852), (1252, 14889), (1418, 13146), (1878, 9926), (2127, 8764), (2191, 8508), (2836, 6573), (3756, 4963), (4254, 4382)]