19958748

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 29683236

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 227, 431, 454, 681, 862, 908, 1293, 1362, 1724, 2586, 2724, 3859, 5172, 7327, 7718, 11577, 14654, 15436, 21981, 23154, 29308, 43962, 46308, 87924, 97837, 195674, 293511, 391348, 587022, 1174044, 1663229, 3326458, 4989687, 6652916, 9979374, 19958748]

約数ペア:

[(1, 19958748), (2, 9979374), (3, 6652916), (4, 4989687), (6, 3326458), (12, 1663229), (17, 1174044), (34, 587022), (51, 391348), (68, 293511), (102, 195674), (204, 97837), (227, 87924), (431, 46308), (454, 43962), (681, 29308), (862, 23154), (908, 21981), (1293, 15436), (1362, 14654), (1724, 11577), (2586, 7718), (2724, 7327), (3859, 5172)]