19658952

素因数分解:

$2^3\times 3^2\times {\mathrm{137}}^1\times {\mathrm{1993}}^1$

素因数の和:2142

約数の個数: 48

約数和(自身を含む): 53658540

約数和(自身を除く): 33999588

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 137, 274, 411, 548, 822, 1096, 1233, 1644, 1993, 2466, 3288, 3986, 4932, 5979, 7972, 9864, 11958, 15944, 17937, 23916, 35874, 47832, 71748, 143496, 273041, 546082, 819123, 1092164, 1638246, 2184328, 2457369, 3276492, 4914738, 6552984, 9829476, 19658952]

約数ペア:

[(1, 19658952), (2, 9829476), (3, 6552984), (4, 4914738), (6, 3276492), (8, 2457369), (9, 2184328), (12, 1638246), (18, 1092164), (24, 819123), (36, 546082), (72, 273041), (137, 143496), (274, 71748), (411, 47832), (548, 35874), (822, 23916), (1096, 17937), (1233, 15944), (1644, 11958), (1993, 9864), (2466, 7972), (3288, 5979), (3986, 4932)]