19727487

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1637}}^1$

素因数の和:1759

約数の個数: 24

約数和(自身を含む): 31004064

約数和(自身を除く): 11276577

約数列:

[1, 3, 9, 13, 39, 103, 117, 309, 927, 1339, 1637, 4017, 4911, 12051, 14733, 21281, 63843, 168611, 191529, 505833, 1517499, 2191943, 6575829, 19727487]

約数ペア:

[(1, 19727487), (3, 6575829), (9, 2191943), (13, 1517499), (39, 505833), (103, 191529), (117, 168611), (309, 63843), (927, 21281), (1339, 14733), (1637, 12051), (4017, 4911)]