19957902

素因数分解:

$2^1\times 3^1\times {\mathrm{1669}}^1\times {\mathrm{1993}}^1$

素因数の和:3667

約数の個数: 16

約数和(自身を含む): 39959760

約数和(自身を除く): 20001858

約数列:

[1, 2, 3, 6, 1669, 1993, 3338, 3986, 5007, 5979, 10014, 11958, 3326317, 6652634, 9978951, 19957902]

約数ペア:

[(1, 19957902), (2, 9978951), (3, 6652634), (6, 3326317), (1669, 11958), (1993, 10014), (3338, 5979), (3986, 5007)]