19644950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30223}}^1$

素因数の和:30248

約数の個数: 24

約数和(自身を含む): 39351648

約数和(自身を除く): 19706698

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30223, 60446, 151115, 302230, 392899, 755575, 785798, 1511150, 1964495, 3928990, 9822475, 19644950]

約数ペア:

[(1, 19644950), (2, 9822475), (5, 3928990), (10, 1964495), (13, 1511150), (25, 785798), (26, 755575), (50, 392899), (65, 302230), (130, 151115), (325, 60446), (650, 30223)]