19968055

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{241}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 24498144

約数和(自身を除く): 4530089

約数列:

[1, 5, 73, 227, 241, 365, 1135, 1205, 16571, 17593, 54707, 82855, 87965, 273535, 3993611, 19968055]

約数ペア:

[(1, 19968055), (5, 3993611), (73, 273535), (227, 87965), (241, 82855), (365, 54707), (1135, 17593), (1205, 16571)]