19994895

素因数分解:

$3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1907}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 34824816

約数和(自身を除く): 14829921

約数列:

[1, 3, 5, 9, 15, 45, 233, 699, 1165, 1907, 2097, 3495, 5721, 9535, 10485, 17163, 28605, 85815, 444331, 1332993, 2221655, 3998979, 6664965, 19994895]

約数ペア:

[(1, 19994895), (3, 6664965), (5, 3998979), (9, 2221655), (15, 1332993), (45, 444331), (233, 85815), (699, 28605), (1165, 17163), (1907, 10485), (2097, 9535), (3495, 5721)]