18863845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3769}}^1$

素因数の和:3805

約数の個数: 32

約数和(自身を含む): 30401280

約数和(自身を除く): 11537435

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 3769, 5005, 18845, 26383, 41459, 48997, 131915, 207295, 244985, 290213, 342979, 538967, 1451065, 1714895, 2694835, 3772769, 18863845]

約数ペア:

[(1, 18863845), (5, 3772769), (7, 2694835), (11, 1714895), (13, 1451065), (35, 538967), (55, 342979), (65, 290213), (77, 244985), (91, 207295), (143, 131915), (385, 48997), (455, 41459), (715, 26383), (1001, 18845), (3769, 5005)]