18204860

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3461}}^1$

素因数の和:3733

約数の個数: 24

約数和(自身を含む): 38386656

約数和(自身を除く): 20181796

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 3461, 5260, 6922, 13844, 17305, 34610, 69220, 910243, 1820486, 3640972, 4551215, 9102430, 18204860]

約数ペア:

[(1, 18204860), (2, 9102430), (4, 4551215), (5, 3640972), (10, 1820486), (20, 910243), (263, 69220), (526, 34610), (1052, 17305), (1315, 13844), (2630, 6922), (3461, 5260)]