19190605

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 28851120

約数和(自身を除く): 9660515

約数列:

[1, 5, 7, 29, 35, 37, 49, 73, 145, 185, 203, 245, 259, 365, 511, 1015, 1073, 1295, 1421, 1813, 2117, 2555, 2701, 3577, 5365, 7105, 7511, 9065, 10585, 13505, 14819, 17885, 18907, 37555, 52577, 74095, 78329, 94535, 103733, 132349, 262885, 391645, 518665, 548303, 661745, 2741515, 3838121, 19190605]

約数ペア:

[(1, 19190605), (5, 3838121), (7, 2741515), (29, 661745), (35, 548303), (37, 518665), (49, 391645), (73, 262885), (145, 132349), (185, 103733), (203, 94535), (245, 78329), (259, 74095), (365, 52577), (511, 37555), (1015, 18907), (1073, 17885), (1295, 14819), (1421, 13505), (1813, 10585), (2117, 9065), (2555, 7511), (2701, 7105), (3577, 5365)]