18748250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{3947}}^1$

素因数の和:3983

約数の個数: 32

約数和(自身を含む): 36953280

約数和(自身を除く): 18205030

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 3947, 4750, 7894, 19735, 39470, 74993, 98675, 149986, 197350, 374965, 493375, 749930, 986750, 1874825, 3749650, 9374125, 18748250]

約数ペア:

[(1, 18748250), (2, 9374125), (5, 3749650), (10, 1874825), (19, 986750), (25, 749930), (38, 493375), (50, 374965), (95, 197350), (125, 149986), (190, 98675), (250, 74993), (475, 39470), (950, 19735), (2375, 7894), (3947, 4750)]