19961179

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 25411968

約数和(自身を除く): 5450789

約数列:

[1, 7, 17, 31, 49, 119, 217, 527, 773, 833, 1519, 3689, 5411, 13141, 23963, 25823, 37877, 91987, 167741, 407371, 643909, 1174187, 2851597, 19961179]

約数ペア:

[(1, 19961179), (7, 2851597), (17, 1174187), (31, 643909), (49, 407371), (119, 167741), (217, 91987), (527, 37877), (773, 25823), (833, 23963), (1519, 13141), (3689, 5411)]