19611810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{217909}}^1$

素因数の和:217922

約数の個数: 24

約数和(自身を含む): 50990940

約数和(自身を除く): 31379130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 217909, 435818, 653727, 1089545, 1307454, 1961181, 2179090, 3268635, 3922362, 6537270, 9805905, 19611810]

約数ペア:

[(1, 19611810), (2, 9805905), (3, 6537270), (5, 3922362), (6, 3268635), (9, 2179090), (10, 1961181), (15, 1307454), (18, 1089545), (30, 653727), (45, 435818), (90, 217909)]