19786306

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 30355200

約数和(自身を除く): 10568894

約数列:

[1, 2, 67, 134, 149, 298, 991, 1982, 9983, 19966, 66397, 132794, 147659, 295318, 9893153, 19786306]

約数ペア:

[(1, 19786306), (2, 9893153), (67, 295318), (134, 147659), (149, 132794), (298, 66397), (991, 19966), (1982, 9983)]