19787643

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{457}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 30436848

約数和(自身を除く): 10649205

約数列:

[1, 3, 9, 17, 51, 153, 283, 457, 849, 1371, 2547, 4113, 4811, 7769, 14433, 23307, 43299, 69921, 129331, 387993, 1163979, 2198627, 6595881, 19787643]

約数ペア:

[(1, 19787643), (3, 6595881), (9, 2198627), (17, 1163979), (51, 387993), (153, 129331), (283, 69921), (457, 43299), (849, 23307), (1371, 14433), (2547, 7769), (4113, 4811)]