19488261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{17231}}^1$

素因数の和:17276

約数の個数: 16

約数和(自身を含む): 28949760

約数和(自身を除く): 9461499

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 17231, 51693, 224003, 499699, 672009, 1499097, 6496087, 19488261]

約数ペア:

[(1, 19488261), (3, 6496087), (13, 1499097), (29, 672009), (39, 499699), (87, 224003), (377, 51693), (1131, 17231)]