19801124

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2447}}^1$

素因数の和:2492

約数の個数: 36

約数和(自身を含む): 42086016

約数和(自身を除く): 22284892

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 2447, 4046, 4894, 8092, 9788, 17129, 34258, 41599, 68516, 83198, 166396, 291193, 582386, 707183, 1164772, 1414366, 2828732, 4950281, 9900562, 19801124]

約数ペア:

[(1, 19801124), (2, 9900562), (4, 4950281), (7, 2828732), (14, 1414366), (17, 1164772), (28, 707183), (34, 582386), (68, 291193), (119, 166396), (238, 83198), (289, 68516), (476, 41599), (578, 34258), (1156, 17129), (2023, 9788), (2447, 8092), (4046, 4894)]