19126445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 8452435

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 911, 1105, 1235, 1615, 4199, 4555, 11843, 15487, 17309, 20995, 59215, 77435, 86545, 201331, 225017, 294253, 1006655, 1125085, 1471265, 3825289, 19126445]

約数ペア:

[(1, 19126445), (5, 3825289), (13, 1471265), (17, 1125085), (19, 1006655), (65, 294253), (85, 225017), (95, 201331), (221, 86545), (247, 77435), (323, 59215), (911, 20995), (1105, 17309), (1235, 15487), (1615, 11843), (4199, 4555)]