12189980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{827}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 28377216

約数和(自身を除く): 16187236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 827, 1340, 1474, 1654, 2948, 3308, 3685, 4135, 7370, 8270, 9097, 14740, 16540, 18194, 36388, 45485, 55409, 90970, 110818, 181940, 221636, 277045, 554090, 609499, 1108180, 1218998, 2437996, 3047495, 6094990, 12189980]

約数ペア:

[(1, 12189980), (2, 6094990), (4, 3047495), (5, 2437996), (10, 1218998), (11, 1108180), (20, 609499), (22, 554090), (44, 277045), (55, 221636), (67, 181940), (110, 110818), (134, 90970), (220, 55409), (268, 45485), (335, 36388), (670, 18194), (737, 16540), (827, 14740), (1340, 9097), (1474, 8270), (1654, 7370), (2948, 4135), (3308, 3685)]