2019945155

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{161531}}^1$

素因数の和:161638

約数の個数: 16

約数和(自身を含む): 2523775968

約数和(自身を除く): 503830813

約数列:

[1, 5, 41, 61, 205, 305, 2501, 12505, 161531, 807655, 6622771, 9853391, 33113855, 49266955, 403989031, 2019945155]

約数ペア:

[(1, 2019945155), (5, 403989031), (41, 49266955), (61, 33113855), (205, 9853391), (305, 6622771), (2501, 807655), (12505, 161531)]