19771965

素因数分解:

$3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{877}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 35400960

約数和(自身を除く): 15628995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 167, 501, 835, 877, 1503, 2505, 2631, 4385, 4509, 7515, 7893, 13155, 22545, 23679, 39465, 118395, 146459, 439377, 732295, 1318131, 2196885, 3954393, 6590655, 19771965]

約数ペア:

[(1, 19771965), (3, 6590655), (5, 3954393), (9, 2196885), (15, 1318131), (27, 732295), (45, 439377), (135, 146459), (167, 118395), (501, 39465), (835, 23679), (877, 22545), (1503, 13155), (2505, 7893), (2631, 7515), (4385, 4509)]