18781668

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{30689}}^1$

素因数の和:30716

約数の個数: 36

約数和(自身を含む): 50270220

約数和(自身を除く): 31488552

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 30689, 61378, 92067, 122756, 184134, 276201, 368268, 521713, 552402, 1043426, 1104804, 1565139, 2086852, 3130278, 4695417, 6260556, 9390834, 18781668]

約数ペア:

[(1, 18781668), (2, 9390834), (3, 6260556), (4, 4695417), (6, 3130278), (9, 2086852), (12, 1565139), (17, 1104804), (18, 1043426), (34, 552402), (36, 521713), (51, 368268), (68, 276201), (102, 184134), (153, 122756), (204, 92067), (306, 61378), (612, 30689)]