19533778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12163}}^1$

素因数の和:12249

約数の個数: 16

約数和(自身を含む): 32404896

約数和(自身を除く): 12871118

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12163, 24326, 133793, 267586, 887899, 1775798, 9766889, 19533778]

約数ペア:

[(1, 19533778), (2, 9766889), (11, 1775798), (22, 887899), (73, 267586), (146, 133793), (803, 24326), (1606, 12163)]