18779372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2399}}^1$

素因数の和:2525

約数の個数: 24

約数和(自身を含む): 34944000

約数和(自身を除く): 16164628

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 2399, 3914, 4798, 7828, 9596, 45581, 91162, 182324, 247097, 494194, 988388, 4694843, 9389686, 18779372]

約数ペア:

[(1, 18779372), (2, 9389686), (4, 4694843), (19, 988388), (38, 494194), (76, 247097), (103, 182324), (206, 91162), (412, 45581), (1957, 9596), (2399, 7828), (3914, 4798)]