19823180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76243}}^1$

素因数の和:76265

約数の個数: 24

約数和(自身を含む): 44831472

約数和(自身を除く): 25008292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 76243, 152486, 304972, 381215, 762430, 991159, 1524860, 1982318, 3964636, 4955795, 9911590, 19823180]

約数ペア:

[(1, 19823180), (2, 9911590), (4, 4955795), (5, 3964636), (10, 1982318), (13, 1524860), (20, 991159), (26, 762430), (52, 381215), (65, 304972), (130, 152486), (260, 76243)]