19473440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17387}}^1$

素因数の和:17409

約数の個数: 48

約数和(自身を含む): 52581312

約数和(自身を除く): 33107872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17387, 34774, 69548, 86935, 121709, 139096, 173870, 243418, 278192, 347740, 486836, 556384, 608545, 695480, 973672, 1217090, 1390960, 1947344, 2434180, 2781920, 3894688, 4868360, 9736720, 19473440]

約数ペア:

[(1, 19473440), (2, 9736720), (4, 4868360), (5, 3894688), (7, 2781920), (8, 2434180), (10, 1947344), (14, 1390960), (16, 1217090), (20, 973672), (28, 695480), (32, 608545), (35, 556384), (40, 486836), (56, 347740), (70, 278192), (80, 243418), (112, 173870), (140, 139096), (160, 121709), (224, 86935), (280, 69548), (560, 34774), (1120, 17387)]