19660016

素因数分解:

$2^4\times {\mathrm{227}}^1\times {\mathrm{5413}}^1$

素因数の和:5648

約数の個数: 20

約数和(自身を含む): 38266152

約数和(自身を除く): 18606136

約数列:

[1, 2, 4, 8, 16, 227, 454, 908, 1816, 3632, 5413, 10826, 21652, 43304, 86608, 1228751, 2457502, 4915004, 9830008, 19660016]

約数ペア:

[(1, 19660016), (2, 9830008), (4, 4915004), (8, 2457502), (16, 1228751), (227, 86608), (454, 43304), (908, 21652), (1816, 10826), (3632, 5413)]