18412004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4987}}^1$

素因数の和:5075

約数の個数: 24

約数和(自身を含む): 35195328

約数和(自身を除く): 16783324

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 4987, 9974, 19948, 64831, 129662, 259324, 354077, 708154, 1416308, 4603001, 9206002, 18412004]

約数ペア:

[(1, 18412004), (2, 9206002), (4, 4603001), (13, 1416308), (26, 708154), (52, 354077), (71, 259324), (142, 129662), (284, 64831), (923, 19948), (1846, 9974), (3692, 4987)]