19951055

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{953}}^1$

素因数の和:1090

約数の個数: 16

約数和(自身を含む): 24727680

約数和(自身を除く): 4776625

約数列:

[1, 5, 53, 79, 265, 395, 953, 4187, 4765, 20935, 50509, 75287, 252545, 376435, 3990211, 19951055]

約数ペア:

[(1, 19951055), (5, 3990211), (53, 376435), (79, 252545), (265, 75287), (395, 50509), (953, 20935), (4187, 4765)]