18809840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33589}}^1$

素因数の和:33609

約数の個数: 40

約数和(自身を含む): 49981920

約数和(自身を除く): 31172080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33589, 67178, 134356, 167945, 235123, 268712, 335890, 470246, 537424, 671780, 940492, 1175615, 1343560, 1880984, 2351230, 2687120, 3761968, 4702460, 9404920, 18809840]

約数ペア:

[(1, 18809840), (2, 9404920), (4, 4702460), (5, 3761968), (7, 2687120), (8, 2351230), (10, 1880984), (14, 1343560), (16, 1175615), (20, 940492), (28, 671780), (35, 537424), (40, 470246), (56, 335890), (70, 268712), (80, 235123), (112, 167945), (140, 134356), (280, 67178), (560, 33589)]