18960156

素因数分解:

$2^2\times 3^4\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:576

約数の個数: 60

約数和(自身を含む): 50040760

約数和(自身を除く): 31080604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 139, 162, 278, 324, 417, 421, 556, 834, 842, 1251, 1263, 1668, 1684, 2502, 2526, 3753, 3789, 5004, 5052, 7506, 7578, 11259, 11367, 15012, 15156, 22518, 22734, 34101, 45036, 45468, 58519, 68202, 117038, 136404, 175557, 234076, 351114, 526671, 702228, 1053342, 1580013, 2106684, 3160026, 4740039, 6320052, 9480078, 18960156]

約数ペア:

[(1, 18960156), (2, 9480078), (3, 6320052), (4, 4740039), (6, 3160026), (9, 2106684), (12, 1580013), (18, 1053342), (27, 702228), (36, 526671), (54, 351114), (81, 234076), (108, 175557), (139, 136404), (162, 117038), (278, 68202), (324, 58519), (417, 45468), (421, 45036), (556, 34101), (834, 22734), (842, 22518), (1251, 15156), (1263, 15012), (1668, 11367), (1684, 11259), (2502, 7578), (2526, 7506), (3753, 5052), (3789, 5004)]