19963861

素因数分解:

${\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 21450240

約数和(自身を除く): 1486379

約数列:

[1, 29, 47, 97, 151, 1363, 2813, 4379, 4559, 7097, 14647, 132211, 205813, 424763, 688409, 19963861]

約数ペア:

[(1, 19963861), (29, 688409), (47, 424763), (97, 205813), (151, 132211), (1363, 14647), (2813, 7097), (4379, 4559)]