18857798

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{569}}^1$

素因数の和:871

約数の個数: 16

約数和(自身を含む): 28851120

約数和(自身を除く): 9993322

約数列:

[1, 2, 73, 146, 227, 454, 569, 1138, 16571, 33142, 41537, 83074, 129163, 258326, 9428899, 18857798]

約数ペア:

[(1, 18857798), (2, 9428899), (73, 258326), (146, 129163), (227, 83074), (454, 41537), (569, 33142), (1138, 16571)]