19874105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3833}}^1$

素因数の和:3916

約数の個数: 16

約数和(自身を含む): 25672464

約数和(自身を除く): 5798359

約数列:

[1, 5, 17, 61, 85, 305, 1037, 3833, 5185, 19165, 65161, 233813, 325805, 1169065, 3974821, 19874105]

約数ペア:

[(1, 19874105), (5, 3974821), (17, 1169065), (61, 325805), (85, 233813), (305, 65161), (1037, 19165), (3833, 5185)]