18828828

素因数分解:

$2^2\times 3^3\times {\mathrm{313}}^1\times {\mathrm{557}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 49059360

約数和(自身を除く): 30230532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 313, 557, 626, 939, 1114, 1252, 1671, 1878, 2228, 2817, 3342, 3756, 5013, 5634, 6684, 8451, 10026, 11268, 15039, 16902, 20052, 30078, 33804, 60156, 174341, 348682, 523023, 697364, 1046046, 1569069, 2092092, 3138138, 4707207, 6276276, 9414414, 18828828]

約数ペア:

[(1, 18828828), (2, 9414414), (3, 6276276), (4, 4707207), (6, 3138138), (9, 2092092), (12, 1569069), (18, 1046046), (27, 697364), (36, 523023), (54, 348682), (108, 174341), (313, 60156), (557, 33804), (626, 30078), (939, 20052), (1114, 16902), (1252, 15039), (1671, 11268), (1878, 10026), (2228, 8451), (2817, 6684), (3342, 5634), (3756, 5013)]