19145637

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 33616128

約数和(自身を除く): 14470491

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 73, 161, 181, 207, 219, 483, 511, 543, 657, 1267, 1449, 1533, 1629, 1679, 3801, 4163, 4599, 5037, 11403, 11753, 12489, 13213, 15111, 29141, 35259, 37467, 39639, 87423, 92491, 105777, 118917, 262269, 277473, 303899, 832419, 911697, 2127293, 2735091, 6381879, 19145637]

約数ペア:

[(1, 19145637), (3, 6381879), (7, 2735091), (9, 2127293), (21, 911697), (23, 832419), (63, 303899), (69, 277473), (73, 262269), (161, 118917), (181, 105777), (207, 92491), (219, 87423), (483, 39639), (511, 37467), (543, 35259), (657, 29141), (1267, 15111), (1449, 13213), (1533, 12489), (1629, 11753), (1679, 11403), (3801, 5037), (4163, 4599)]