19782346

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 12721334

約数列:

[1, 2, 23, 37, 46, 59, 74, 118, 197, 394, 851, 1357, 1702, 2183, 2714, 4366, 4531, 7289, 9062, 11623, 14578, 23246, 50209, 100418, 167647, 267329, 335294, 430051, 534658, 860102, 9891173, 19782346]

約数ペア:

[(1, 19782346), (2, 9891173), (23, 860102), (37, 534658), (46, 430051), (59, 335294), (74, 267329), (118, 167647), (197, 100418), (394, 50209), (851, 23246), (1357, 14578), (1702, 11623), (2183, 9062), (2714, 7289), (4366, 4531)]