17981224

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 34816320

約数和(自身を除く): 16835096

約数列:

[1, 2, 4, 8, 43, 86, 167, 172, 313, 334, 344, 626, 668, 1252, 1336, 2504, 7181, 13459, 14362, 26918, 28724, 52271, 53836, 57448, 104542, 107672, 209084, 418168, 2247653, 4495306, 8990612, 17981224]

約数ペア:

[(1, 17981224), (2, 8990612), (4, 4495306), (8, 2247653), (43, 418168), (86, 209084), (167, 107672), (172, 104542), (313, 57448), (334, 53836), (344, 52271), (626, 28724), (668, 26918), (1252, 14362), (1336, 13459), (2504, 7181)]