18352720

素因数分解:

$2^4\times 5^1\times {\mathrm{229409}}^1$

素因数の和:229422

約数の個数: 20

約数和(自身を含む): 42670260

約数和(自身を除く): 24317540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229409, 458818, 917636, 1147045, 1835272, 2294090, 3670544, 4588180, 9176360, 18352720]

約数ペア:

[(1, 18352720), (2, 9176360), (4, 4588180), (5, 3670544), (8, 2294090), (10, 1835272), (16, 1147045), (20, 917636), (40, 458818), (80, 229409)]