19949008

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6329}}^1$

素因数の和:6534

約数の個数: 20

約数和(自身を含む): 38853540

約数和(自身を除く): 18904532

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6329, 12658, 25316, 50632, 101264, 1246813, 2493626, 4987252, 9974504, 19949008]

約数ペア:

[(1, 19949008), (2, 9974504), (4, 4987252), (8, 2493626), (16, 1246813), (197, 101264), (394, 50632), (788, 25316), (1576, 12658), (3152, 6329)]