19405683

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 12205197

約数列:

[1, 3, 9, 11, 27, 33, 99, 223, 293, 297, 669, 879, 2007, 2453, 2637, 3223, 6021, 7359, 7911, 9669, 22077, 29007, 65339, 66231, 87021, 196017, 588051, 718729, 1764153, 2156187, 6468561, 19405683]

約数ペア:

[(1, 19405683), (3, 6468561), (9, 2156187), (11, 1764153), (27, 718729), (33, 588051), (99, 196017), (223, 87021), (293, 66231), (297, 65339), (669, 29007), (879, 22077), (2007, 9669), (2453, 7911), (2637, 7359), (3223, 6021)]