18566457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 31137792

約数和(自身を除く): 12571335

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1447, 1833, 4277, 4341, 10129, 12831, 18811, 30387, 56433, 68009, 131677, 204027, 395031, 476063, 884117, 1428189, 2652351, 6188819, 18566457]

約数ペア:

[(1, 18566457), (3, 6188819), (7, 2652351), (13, 1428189), (21, 884117), (39, 476063), (47, 395031), (91, 204027), (141, 131677), (273, 68009), (329, 56433), (611, 30387), (987, 18811), (1447, 12831), (1833, 10129), (4277, 4341)]