19580566

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 12923114

約数列:

[1, 2, 17, 34, 43, 59, 86, 118, 227, 454, 731, 1003, 1462, 2006, 2537, 3859, 5074, 7718, 9761, 13393, 19522, 26786, 43129, 86258, 165937, 227681, 331874, 455362, 575899, 1151798, 9790283, 19580566]

約数ペア:

[(1, 19580566), (2, 9790283), (17, 1151798), (34, 575899), (43, 455362), (59, 331874), (86, 227681), (118, 165937), (227, 86258), (454, 43129), (731, 26786), (1003, 19522), (1462, 13393), (2006, 9761), (2537, 7718), (3859, 5074)]