19642941

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{367}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 30043520

約数和(自身を除く): 10400579

約数列:

[1, 3, 9, 19, 57, 171, 313, 367, 939, 1101, 2817, 3303, 5947, 6973, 17841, 20919, 53523, 62757, 114871, 344613, 1033839, 2182549, 6547647, 19642941]

約数ペア:

[(1, 19642941), (3, 6547647), (9, 2182549), (19, 1033839), (57, 344613), (171, 114871), (313, 62757), (367, 53523), (939, 20919), (1101, 17841), (2817, 6973), (3303, 5947)]