12181940

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9091}}^1$

素因数の和:9167

約数の個数: 24

約数和(自身を含む): 25966752

約数和(自身を除く): 13784812

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 9091, 18182, 36364, 45455, 90910, 181820, 609097, 1218194, 2436388, 3045485, 6090970, 12181940]

約数ペア:

[(1, 12181940), (2, 6090970), (4, 3045485), (5, 2436388), (10, 1218194), (20, 609097), (67, 181820), (134, 90910), (268, 45455), (335, 36364), (670, 18182), (1340, 9091)]