18191956

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 32515560

約数和(自身を除く): 14323604

約数列:

[1, 2, 4, 89, 137, 178, 274, 356, 373, 548, 746, 1492, 12193, 24386, 33197, 48772, 51101, 66394, 102202, 132788, 204404, 4547989, 9095978, 18191956]

約数ペア:

[(1, 18191956), (2, 9095978), (4, 4547989), (89, 204404), (137, 132788), (178, 102202), (274, 66394), (356, 51101), (373, 48772), (548, 33197), (746, 24386), (1492, 12193)]