19708580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18593}}^1$

素因数の和:18655

約数の個数: 24

約数和(自身を含む): 42171192

約数和(自身を除く): 22462612

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 18593, 37186, 74372, 92965, 185930, 371860, 985429, 1970858, 3941716, 4927145, 9854290, 19708580]

約数ペア:

[(1, 19708580), (2, 9854290), (4, 4927145), (5, 3941716), (10, 1970858), (20, 985429), (53, 371860), (106, 185930), (212, 92965), (265, 74372), (530, 37186), (1060, 18593)]