19907151

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14029}}^1$

素因数の和:14086

約数の個数: 16

約数和(自身を含む): 29631360

約数和(自身を除く): 9724209

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14029, 42087, 154319, 462957, 603247, 1809741, 6635717, 19907151]

約数ペア:

[(1, 19907151), (3, 6635717), (11, 1809741), (33, 603247), (43, 462957), (129, 154319), (473, 42087), (1419, 14029)]