19841900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15263}}^1$

素因数の和:15290

約数の個数: 36

約数和(自身を含む): 46372032

約数和(自身を除く): 26530132

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15263, 30526, 61052, 76315, 152630, 198419, 305260, 381575, 396838, 763150, 793676, 992095, 1526300, 1984190, 3968380, 4960475, 9920950, 19841900]

約数ペア:

[(1, 19841900), (2, 9920950), (4, 4960475), (5, 3968380), (10, 1984190), (13, 1526300), (20, 992095), (25, 793676), (26, 763150), (50, 396838), (52, 381575), (65, 305260), (100, 198419), (130, 152630), (260, 76315), (325, 61052), (650, 30526), (1300, 15263)]