19720171197

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{677}}^1\times {\mathrm{5113}}^1$

素因数の和:6010

約数の個数: 32

約数和(自身を含む): 29402636160

約数和(自身を除く): 9682464963

約数列:

[1, 3, 9, 27, 211, 633, 677, 1899, 2031, 5113, 5697, 6093, 15339, 18279, 46017, 138051, 142847, 428541, 1078843, 1285623, 3236529, 3461501, 3856869, 9709587, 10384503, 29128761, 31153509, 93460527, 730376711, 2191130133, 6573390399, 19720171197]

約数ペア:

[(1, 19720171197), (3, 6573390399), (9, 2191130133), (27, 730376711), (211, 93460527), (633, 31153509), (677, 29128761), (1899, 10384503), (2031, 9709587), (5113, 3856869), (5697, 3461501), (6093, 3236529), (15339, 1285623), (18279, 1078843), (46017, 428541), (138051, 142847)]