18861128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16487}}^1$

素因数の和:16517

約数の個数: 32

約数和(自身を含む): 41549760

約数和(自身を除く): 22688632

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 16487, 32974, 65948, 131896, 181357, 214331, 362714, 428662, 725428, 857324, 1450856, 1714648, 2357641, 4715282, 9430564, 18861128]

約数ペア:

[(1, 18861128), (2, 9430564), (4, 4715282), (8, 2357641), (11, 1714648), (13, 1450856), (22, 857324), (26, 725428), (44, 428662), (52, 362714), (88, 214331), (104, 181357), (143, 131896), (286, 65948), (572, 32974), (1144, 16487)]