18786492

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{2521}}^1$

素因数の和:2560

約数の個数: 60

約数和(自身を含む): 51267216

約数和(自身を除く): 32480724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 414, 621, 828, 1242, 1863, 2484, 2521, 3726, 5042, 7452, 7563, 10084, 15126, 22689, 30252, 45378, 57983, 68067, 90756, 115966, 136134, 173949, 204201, 231932, 272268, 347898, 408402, 521847, 695796, 816804, 1043694, 1565541, 2087388, 3131082, 4696623, 6262164, 9393246, 18786492]

約数ペア:

[(1, 18786492), (2, 9393246), (3, 6262164), (4, 4696623), (6, 3131082), (9, 2087388), (12, 1565541), (18, 1043694), (23, 816804), (27, 695796), (36, 521847), (46, 408402), (54, 347898), (69, 272268), (81, 231932), (92, 204201), (108, 173949), (138, 136134), (162, 115966), (207, 90756), (276, 68067), (324, 57983), (414, 45378), (621, 30252), (828, 22689), (1242, 15126), (1863, 10084), (2484, 7563), (2521, 7452), (3726, 5042)]