19154156

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22067}}^1$

素因数の和:22109

約数の個数: 24

約数和(自身を含む): 39545856

約数和(自身を除く): 20391700

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 22067, 44134, 88268, 154469, 308938, 617876, 684077, 1368154, 2736308, 4788539, 9577078, 19154156]

約数ペア:

[(1, 19154156), (2, 9577078), (4, 4788539), (7, 2736308), (14, 1368154), (28, 684077), (31, 617876), (62, 308938), (124, 154469), (217, 88268), (434, 44134), (868, 22067)]