18154904

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 16681576

約数列:

[1, 2, 4, 8, 107, 127, 167, 214, 254, 334, 428, 508, 668, 856, 1016, 1336, 13589, 17869, 21209, 27178, 35738, 42418, 54356, 71476, 84836, 108712, 142952, 169672, 2269363, 4538726, 9077452, 18154904]

約数ペア:

[(1, 18154904), (2, 9077452), (4, 4538726), (8, 2269363), (107, 169672), (127, 142952), (167, 108712), (214, 84836), (254, 71476), (334, 54356), (428, 42418), (508, 35738), (668, 27178), (856, 21209), (1016, 17869), (1336, 13589)]