18705932210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{666403}}^1$

素因数の和:666818

約数の個数: 32

約数和(自身を含む): 38576794752

約数和(自身を除く): 19870862542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 802, 2005, 2807, 4010, 5614, 14035, 28070, 666403, 1332806, 3332015, 4664821, 6664030, 9329642, 23324105, 46648210, 267227603, 534455206, 1336138015, 1870593221, 2672276030, 3741186442, 9352966105, 18705932210]

約数ペア:

[(1, 18705932210), (2, 9352966105), (5, 3741186442), (7, 2672276030), (10, 1870593221), (14, 1336138015), (35, 534455206), (70, 267227603), (401, 46648210), (802, 23324105), (2005, 9329642), (2807, 6664030), (4010, 4664821), (5614, 3332015), (14035, 1332806), (28070, 666403)]