18219220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39607}}^1$

素因数の和:39639

約数の個数: 24

約数和(自身を含む): 39924864

約数和(自身を除く): 21705644

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39607, 79214, 158428, 198035, 396070, 792140, 910961, 1821922, 3643844, 4554805, 9109610, 18219220]

約数ペア:

[(1, 18219220), (2, 9109610), (4, 4554805), (5, 3643844), (10, 1821922), (20, 910961), (23, 792140), (46, 396070), (92, 198035), (115, 158428), (230, 79214), (460, 39607)]