19912325967

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{3413}}^1$

素因数の和:3720

約数の個数: 48

約数和(自身を含む): 29958915168

約数和(自身を除く): 10046589201

約数列:

[1, 3, 9, 41, 97, 123, 163, 291, 369, 489, 873, 1467, 3413, 3977, 6683, 10239, 11931, 15811, 20049, 30717, 35793, 47433, 60147, 139933, 142299, 331061, 419799, 556319, 648251, 993183, 1259397, 1668957, 1944753, 2979549, 5006871, 5834259, 13573501, 22809079, 40720503, 53962943, 68427237, 122161509, 161888829, 205281711, 485666487, 2212480663, 6637441989, 19912325967]

約数ペア:

[(1, 19912325967), (3, 6637441989), (9, 2212480663), (41, 485666487), (97, 205281711), (123, 161888829), (163, 122161509), (291, 68427237), (369, 53962943), (489, 40720503), (873, 22809079), (1467, 13573501), (3413, 5834259), (3977, 5006871), (6683, 2979549), (10239, 1944753), (11931, 1668957), (15811, 1259397), (20049, 993183), (30717, 648251), (35793, 556319), (47433, 419799), (60147, 331061), (139933, 142299)]