19900322

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{26393}}^1$

素因数の和:26437

約数の個数: 16

約数和(自身を含む): 33256440

約数和(自身を除く): 13356118

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 26393, 52786, 343109, 686218, 765397, 1530794, 9950161, 19900322]

約数ペア:

[(1, 19900322), (2, 9950161), (13, 1530794), (26, 765397), (29, 686218), (58, 343109), (377, 52786), (754, 26393)]