18041860

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4723}}^1$

素因数の和:4923

約数の個数: 24

約数和(自身を含む): 38094336

約数和(自身を除く): 20052476

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 4723, 9446, 18892, 23615, 47230, 94460, 902093, 1804186, 3608372, 4510465, 9020930, 18041860]

約数ペア:

[(1, 18041860), (2, 9020930), (4, 4510465), (5, 3608372), (10, 1804186), (20, 902093), (191, 94460), (382, 47230), (764, 23615), (955, 18892), (1910, 9446), (3820, 4723)]