19831490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{577}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 40950144

約数和(自身を除く): 21118654

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 491, 577, 982, 1154, 2455, 2885, 3437, 4039, 4910, 5770, 6874, 8078, 17185, 20195, 34370, 40390, 283307, 566614, 1416535, 1983149, 2833070, 3966298, 9915745, 19831490]

約数ペア:

[(1, 19831490), (2, 9915745), (5, 3966298), (7, 2833070), (10, 1983149), (14, 1416535), (35, 566614), (70, 283307), (491, 40390), (577, 34370), (982, 20195), (1154, 17185), (2455, 8078), (2885, 6874), (3437, 5770), (4039, 4910)]