18268996

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 32760000

約数和(自身を除く): 14491004

約数列:

[1, 2, 4, 59, 118, 199, 236, 389, 398, 778, 796, 1556, 11741, 22951, 23482, 45902, 46964, 77411, 91804, 154822, 309644, 4567249, 9134498, 18268996]

約数ペア:

[(1, 18268996), (2, 9134498), (4, 4567249), (59, 309644), (118, 154822), (199, 91804), (236, 77411), (389, 46964), (398, 45902), (778, 23482), (796, 22951), (1556, 11741)]