19990163410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1\times {\mathrm{12347}}^1$

素因数の和:12691

約数の個数: 64

約数和(自身を含む): 41714507520

約数和(自身を除く): 21724344110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 229, 458, 505, 707, 1010, 1145, 1414, 1603, 2290, 3206, 3535, 7070, 8015, 12347, 16030, 23129, 24694, 46258, 61735, 86429, 115645, 123470, 161903, 172858, 231290, 323806, 432145, 809515, 864290, 1247047, 1619030, 2494094, 2827463, 5654926, 6235235, 8729329, 12470470, 14137315, 17458658, 19792241, 28274630, 39584482, 43646645, 87293290, 98961205, 197922410, 285573763, 571147526, 1427868815, 1999016341, 2855737630, 3998032682, 9995081705, 19990163410]

約数ペア:

[(1, 19990163410), (2, 9995081705), (5, 3998032682), (7, 2855737630), (10, 1999016341), (14, 1427868815), (35, 571147526), (70, 285573763), (101, 197922410), (202, 98961205), (229, 87293290), (458, 43646645), (505, 39584482), (707, 28274630), (1010, 19792241), (1145, 17458658), (1414, 14137315), (1603, 12470470), (2290, 8729329), (3206, 6235235), (3535, 5654926), (7070, 2827463), (8015, 2494094), (12347, 1619030), (16030, 1247047), (23129, 864290), (24694, 809515), (46258, 432145), (61735, 323806), (86429, 231290), (115645, 172858), (123470, 161903)]