19477770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49943}}^1$

素因数の和:49966

約数の個数: 32

約数和(自身を含む): 50343552

約数和(自身を除く): 30865782

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 49943, 99886, 149829, 249715, 299658, 499430, 649259, 749145, 1298518, 1498290, 1947777, 3246295, 3895554, 6492590, 9738885, 19477770]

約数ペア:

[(1, 19477770), (2, 9738885), (3, 6492590), (5, 3895554), (6, 3246295), (10, 1947777), (13, 1498290), (15, 1298518), (26, 749145), (30, 649259), (39, 499430), (65, 299658), (78, 249715), (130, 149829), (195, 99886), (390, 49943)]