18736431

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 31223808

約数和(自身を除く): 12487377

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 1693, 3689, 5079, 11067, 11851, 28781, 35553, 52483, 86343, 157449, 201467, 367381, 604401, 892211, 1102143, 2676633, 6245477, 18736431]

約数ペア:

[(1, 18736431), (3, 6245477), (7, 2676633), (17, 1102143), (21, 892211), (31, 604401), (51, 367381), (93, 201467), (119, 157449), (217, 86343), (357, 52483), (527, 35553), (651, 28781), (1581, 11851), (1693, 11067), (3689, 5079)]