19232980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73973}}^1$

素因数の和:73995

約数の個数: 24

約数和(自身を含む): 43496712

約数和(自身を除く): 24263732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73973, 147946, 295892, 369865, 739730, 961649, 1479460, 1923298, 3846596, 4808245, 9616490, 19232980]

約数ペア:

[(1, 19232980), (2, 9616490), (4, 4808245), (5, 3846596), (10, 1923298), (13, 1479460), (20, 961649), (26, 739730), (52, 369865), (65, 295892), (130, 147946), (260, 73973)]