19559379

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 32832000

約数和(自身を除く): 13272621

約数列:

[1, 3, 7, 19, 21, 47, 49, 57, 133, 141, 147, 149, 329, 399, 447, 893, 931, 987, 1043, 2303, 2679, 2793, 2831, 3129, 6251, 6909, 7003, 7301, 8493, 18753, 19817, 21009, 21903, 43757, 49021, 59451, 131271, 133057, 138719, 147063, 343147, 399171, 416157, 931399, 1029441, 2794197, 6519793, 19559379]

約数ペア:

[(1, 19559379), (3, 6519793), (7, 2794197), (19, 1029441), (21, 931399), (47, 416157), (49, 399171), (57, 343147), (133, 147063), (141, 138719), (147, 133057), (149, 131271), (329, 59451), (399, 49021), (447, 43757), (893, 21903), (931, 21009), (987, 19817), (1043, 18753), (2303, 8493), (2679, 7301), (2793, 7003), (2831, 6909), (3129, 6251)]