18464901

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 30535680

約数和(自身を除く): 12070779

約数列:

[1, 3, 7, 13, 21, 39, 91, 239, 273, 283, 717, 849, 1673, 1981, 3107, 3679, 5019, 5943, 9321, 11037, 21749, 25753, 65247, 67637, 77259, 202911, 473459, 879281, 1420377, 2637843, 6154967, 18464901]

約数ペア:

[(1, 18464901), (3, 6154967), (7, 2637843), (13, 1420377), (21, 879281), (39, 473459), (91, 202911), (239, 77259), (273, 67637), (283, 65247), (717, 25753), (849, 21749), (1673, 11037), (1981, 9321), (3107, 5943), (3679, 5019)]