19937929

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 22855680

約数和(自身を除く): 2917751

約数列:

[1, 11, 31, 59, 341, 649, 991, 1829, 10901, 20119, 30721, 58469, 337931, 643159, 1812539, 19937929]

約数ペア:

[(1, 19937929), (11, 1812539), (31, 643159), (59, 337931), (341, 58469), (649, 30721), (991, 20119), (1829, 10901)]