19859084

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 42262080

約数和(自身を除く): 22402996

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 406, 518, 661, 812, 1036, 1073, 1322, 2146, 2644, 4292, 4627, 7511, 9254, 15022, 18508, 19169, 24457, 30044, 38338, 48914, 76676, 97828, 134183, 171199, 268366, 342398, 536732, 684796, 709253, 1418506, 2837012, 4964771, 9929542, 19859084]

約数ペア:

[(1, 19859084), (2, 9929542), (4, 4964771), (7, 2837012), (14, 1418506), (28, 709253), (29, 684796), (37, 536732), (58, 342398), (74, 268366), (116, 171199), (148, 134183), (203, 97828), (259, 76676), (406, 48914), (518, 38338), (661, 30044), (812, 24457), (1036, 19169), (1073, 18508), (1322, 15022), (2146, 9254), (2644, 7511), (4292, 4627)]