19039239

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 31144960

約数和(自身を除く): 12105721

約数列:

[1, 3, 9, 23, 27, 31, 43, 69, 93, 129, 207, 279, 387, 529, 621, 713, 837, 989, 1161, 1333, 1587, 2139, 2967, 3999, 4761, 6417, 8901, 11997, 14283, 16399, 19251, 22747, 26703, 30659, 35991, 49197, 68241, 91977, 147591, 204723, 275931, 442773, 614169, 705157, 827793, 2115471, 6346413, 19039239]

約数ペア:

[(1, 19039239), (3, 6346413), (9, 2115471), (23, 827793), (27, 705157), (31, 614169), (43, 442773), (69, 275931), (93, 204723), (129, 147591), (207, 91977), (279, 68241), (387, 49197), (529, 35991), (621, 30659), (713, 26703), (837, 22747), (989, 19251), (1161, 16399), (1333, 14283), (1587, 11997), (2139, 8901), (2967, 6417), (3999, 4761)]