19375900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2729}}^1$

素因数の和:2814

約数の個数: 36

約数和(自身を含む): 42653520

約数和(自身を除く): 23277620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2729, 3550, 5458, 7100, 10916, 13645, 27290, 54580, 68225, 136450, 193759, 272900, 387518, 775036, 968795, 1937590, 3875180, 4843975, 9687950, 19375900]

約数ペア:

[(1, 19375900), (2, 9687950), (4, 4843975), (5, 3875180), (10, 1937590), (20, 968795), (25, 775036), (50, 387518), (71, 272900), (100, 193759), (142, 136450), (284, 68225), (355, 54580), (710, 27290), (1420, 13645), (1775, 10916), (2729, 7100), (3550, 5458)]