2018979417

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{17159}}^1$

素因数の和:17613

約数の個数: 32

約数和(自身を含む): 3321077760

約数和(自身を除く): 1302098343

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 431, 1293, 3017, 5603, 9051, 16809, 17159, 39221, 51477, 117663, 120113, 223067, 360339, 669201, 1561469, 4684407, 7395529, 22186587, 51768703, 96141877, 155306109, 288425631, 672993139, 2018979417]

約数ペア:

[(1, 2018979417), (3, 672993139), (7, 288425631), (13, 155306109), (21, 96141877), (39, 51768703), (91, 22186587), (273, 7395529), (431, 4684407), (1293, 1561469), (3017, 669201), (5603, 360339), (9051, 223067), (16809, 120113), (17159, 117663), (39221, 51477)]