18390616

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 36311040

約数和(自身を除く): 17920424

約数列:

[1, 2, 4, 8, 23, 46, 92, 127, 184, 254, 508, 787, 1016, 1574, 2921, 3148, 5842, 6296, 11684, 18101, 23368, 36202, 72404, 99949, 144808, 199898, 399796, 799592, 2298827, 4597654, 9195308, 18390616]

約数ペア:

[(1, 18390616), (2, 9195308), (4, 4597654), (8, 2298827), (23, 799592), (46, 399796), (92, 199898), (127, 144808), (184, 99949), (254, 72404), (508, 36202), (787, 23368), (1016, 18101), (1574, 11684), (2921, 6296), (3148, 5842)]