19796210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{727}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 40884480

約数和(自身を除く): 21088270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 727, 778, 1454, 1945, 2723, 3635, 3890, 5089, 5446, 7270, 10178, 13615, 25445, 27230, 50890, 282803, 565606, 1414015, 1979621, 2828030, 3959242, 9898105, 19796210]

約数ペア:

[(1, 19796210), (2, 9898105), (5, 3959242), (7, 2828030), (10, 1979621), (14, 1414015), (35, 565606), (70, 282803), (389, 50890), (727, 27230), (778, 25445), (1454, 13615), (1945, 10178), (2723, 7270), (3635, 5446), (3890, 5089)]