18178712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{383}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 18109288

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 349, 383, 698, 766, 1396, 1532, 2792, 3064, 5933, 6511, 11866, 13022, 23732, 26044, 47464, 52088, 133667, 267334, 534668, 1069336, 2272339, 4544678, 9089356, 18178712]

約数ペア:

[(1, 18178712), (2, 9089356), (4, 4544678), (8, 2272339), (17, 1069336), (34, 534668), (68, 267334), (136, 133667), (349, 52088), (383, 47464), (698, 26044), (766, 23732), (1396, 13022), (1532, 11866), (2792, 6511), (3064, 5933)]