2018978855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{219097}}^1$

素因数の和:219218

約数の個数: 16

約数和(自身を含む): 2576592480

約数和(自身を除く): 557613625

約数列:

[1, 5, 19, 95, 97, 485, 1843, 9215, 219097, 1095485, 4162843, 20814215, 21252409, 106262045, 403795771, 2018978855]

約数ペア:

[(1, 2018978855), (5, 403795771), (19, 106262045), (95, 21252409), (97, 20814215), (485, 4162843), (1843, 1095485), (9215, 219097)]