19039986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1103}}^1$

素因数の和:1255

約数の個数: 48

約数和(自身を含む): 47533824

約数和(自身を除く): 28493838

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 137, 274, 411, 822, 959, 1103, 1233, 1918, 2206, 2466, 2877, 3309, 5754, 6618, 7721, 8631, 9927, 15442, 17262, 19854, 23163, 46326, 69489, 138978, 151111, 302222, 453333, 906666, 1057777, 1359999, 2115554, 2719998, 3173331, 6346662, 9519993, 19039986]

約数ペア:

[(1, 19039986), (2, 9519993), (3, 6346662), (6, 3173331), (7, 2719998), (9, 2115554), (14, 1359999), (18, 1057777), (21, 906666), (42, 453333), (63, 302222), (126, 151111), (137, 138978), (274, 69489), (411, 46326), (822, 23163), (959, 19854), (1103, 17262), (1233, 15442), (1918, 9927), (2206, 8631), (2466, 7721), (2877, 6618), (3309, 5754)]