18947236

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 41674752

約数和(自身を除く): 22727516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 227, 271, 308, 454, 542, 908, 1084, 1589, 1897, 2497, 2981, 3178, 3794, 4994, 5962, 6356, 7588, 9988, 11924, 17479, 20867, 34958, 41734, 61517, 69916, 83468, 123034, 246068, 430619, 676687, 861238, 1353374, 1722476, 2706748, 4736809, 9473618, 18947236]

約数ペア:

[(1, 18947236), (2, 9473618), (4, 4736809), (7, 2706748), (11, 1722476), (14, 1353374), (22, 861238), (28, 676687), (44, 430619), (77, 246068), (154, 123034), (227, 83468), (271, 69916), (308, 61517), (454, 41734), (542, 34958), (908, 20867), (1084, 17479), (1589, 11924), (1897, 9988), (2497, 7588), (2981, 6356), (3178, 5962), (3794, 4994)]