18691736

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1163}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 41799240

約数和(自身を除く): 23107504

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 196, 287, 328, 392, 574, 1148, 1163, 2009, 2296, 2326, 4018, 4652, 8036, 8141, 9304, 16072, 16282, 32564, 47683, 56987, 65128, 95366, 113974, 190732, 227948, 333781, 381464, 455896, 667562, 1335124, 2336467, 2670248, 4672934, 9345868, 18691736]

約数ペア:

[(1, 18691736), (2, 9345868), (4, 4672934), (7, 2670248), (8, 2336467), (14, 1335124), (28, 667562), (41, 455896), (49, 381464), (56, 333781), (82, 227948), (98, 190732), (164, 113974), (196, 95366), (287, 65128), (328, 56987), (392, 47683), (574, 32564), (1148, 16282), (1163, 16072), (2009, 9304), (2296, 8141), (2326, 8036), (4018, 4652)]