19021436

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 40824000

約数和(自身を除く): 21802564

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 89, 119, 178, 238, 356, 449, 476, 623, 898, 1246, 1513, 1796, 2492, 3026, 3143, 6052, 6286, 7633, 10591, 12572, 15266, 21182, 30532, 39961, 42364, 53431, 79922, 106862, 159844, 213724, 279727, 559454, 679337, 1118908, 1358674, 2717348, 4755359, 9510718, 19021436]

約数ペア:

[(1, 19021436), (2, 9510718), (4, 4755359), (7, 2717348), (14, 1358674), (17, 1118908), (28, 679337), (34, 559454), (68, 279727), (89, 213724), (119, 159844), (178, 106862), (238, 79922), (356, 53431), (449, 42364), (476, 39961), (623, 30532), (898, 21182), (1246, 15266), (1513, 12572), (1796, 10591), (2492, 7633), (3026, 6286), (3143, 6052)]