17981276

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 32718000

約数和(自身を除く): 14736724

約数列:

[1, 2, 4, 29, 58, 116, 379, 409, 758, 818, 1516, 1636, 10991, 11861, 21982, 23722, 43964, 47444, 155011, 310022, 620044, 4495319, 8990638, 17981276]

約数ペア:

[(1, 17981276), (2, 8990638), (4, 4495319), (29, 620044), (58, 310022), (116, 155011), (379, 47444), (409, 43964), (758, 23722), (818, 21982), (1516, 11861), (1636, 10991)]