19646456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4457}}^1$

素因数の和:4511

約数の個数: 32

約数和(自身を含む): 40122000

約数和(自身を除く): 20475544

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4457, 8914, 17828, 35656, 84683, 129253, 169366, 258506, 338732, 517012, 677464, 1034024, 2455807, 4911614, 9823228, 19646456]

約数ペア:

[(1, 19646456), (2, 9823228), (4, 4911614), (8, 2455807), (19, 1034024), (29, 677464), (38, 517012), (58, 338732), (76, 258506), (116, 169366), (152, 129253), (232, 84683), (551, 35656), (1102, 17828), (2204, 8914), (4408, 4457)]