19515609

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{557}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 30031560

約数和(自身を除く): 10515951

約数列:

[1, 3, 9, 17, 51, 153, 229, 557, 687, 1671, 2061, 3893, 5013, 9469, 11679, 28407, 35037, 85221, 127553, 382659, 1147977, 2168401, 6505203, 19515609]

約数ペア:

[(1, 19515609), (3, 6505203), (9, 2168401), (17, 1147977), (51, 382659), (153, 127553), (229, 85221), (557, 35037), (687, 28407), (1671, 11679), (2061, 9469), (3893, 5013)]