18906756

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3331}}^1$

素因数の和:3392

約数の個数: 48

約数和(自身を含む): 49260288

約数和(自身を除く): 30353532

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 129, 132, 172, 258, 473, 516, 946, 1419, 1892, 2838, 3331, 5676, 6662, 9993, 13324, 19986, 36641, 39972, 73282, 109923, 143233, 146564, 219846, 286466, 429699, 439692, 572932, 859398, 1575563, 1718796, 3151126, 4726689, 6302252, 9453378, 18906756]

約数ペア:

[(1, 18906756), (2, 9453378), (3, 6302252), (4, 4726689), (6, 3151126), (11, 1718796), (12, 1575563), (22, 859398), (33, 572932), (43, 439692), (44, 429699), (66, 286466), (86, 219846), (129, 146564), (132, 143233), (172, 109923), (258, 73282), (473, 39972), (516, 36641), (946, 19986), (1419, 13324), (1892, 9993), (2838, 6662), (3331, 5676)]