19151930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2557}}^1$

素因数の和:2678

約数の個数: 32

約数和(自身を含む): 39782016

約数和(自身を除く): 20630086

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2557, 3745, 5114, 7490, 12785, 17899, 25570, 35798, 89495, 178990, 273599, 547198, 1367995, 1915193, 2735990, 3830386, 9575965, 19151930]

約数ペア:

[(1, 19151930), (2, 9575965), (5, 3830386), (7, 2735990), (10, 1915193), (14, 1367995), (35, 547198), (70, 273599), (107, 178990), (214, 89495), (535, 35798), (749, 25570), (1070, 17899), (1498, 12785), (2557, 7490), (3745, 5114)]