19556450

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{4951}}^1$

素因数の和:5042

約数の個数: 24

約数和(自身を含む): 36842880

約数和(自身を除く): 17286430

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 4951, 9902, 24755, 49510, 123775, 247550, 391129, 782258, 1955645, 3911290, 9778225, 19556450]

約数ペア:

[(1, 19556450), (2, 9778225), (5, 3911290), (10, 1955645), (25, 782258), (50, 391129), (79, 247550), (158, 123775), (395, 49510), (790, 24755), (1975, 9902), (3950, 4951)]