18898623

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 29419520

約数和(自身を除く): 10520897

約数列:

[1, 3, 9, 27, 31, 67, 93, 201, 279, 337, 603, 837, 1011, 1809, 2077, 3033, 6231, 9099, 10447, 18693, 22579, 31341, 56079, 67737, 94023, 203211, 282069, 609633, 699949, 2099847, 6299541, 18898623]

約数ペア:

[(1, 18898623), (3, 6299541), (9, 2099847), (27, 699949), (31, 609633), (67, 282069), (93, 203211), (201, 94023), (279, 67737), (337, 56079), (603, 31341), (837, 22579), (1011, 18693), (1809, 10447), (2077, 9099), (3033, 6231)]