19783842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{253639}}^1$

素因数の和:253657

約数の個数: 16

約数和(自身を含む): 42611520

約数和(自身を除く): 22827678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 253639, 507278, 760917, 1521834, 3297307, 6594614, 9891921, 19783842]

約数ペア:

[(1, 19783842), (2, 9891921), (3, 6594614), (6, 3297307), (13, 1521834), (26, 760917), (39, 507278), (78, 253639)]