19938580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32159}}^1$

素因数の和:32199

約数の個数: 24

約数和(自身を含む): 43223040

約数和(自身を除く): 23284460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32159, 64318, 128636, 160795, 321590, 643180, 996929, 1993858, 3987716, 4984645, 9969290, 19938580]

約数ペア:

[(1, 19938580), (2, 9969290), (4, 4984645), (5, 3987716), (10, 1993858), (20, 996929), (31, 643180), (62, 321590), (124, 160795), (155, 128636), (310, 64318), (620, 32159)]