18969994

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6269}}^1$

素因数の和:6377

約数の個数: 16

約数和(自身を含む): 30472200

約数和(自身を除く): 11502206

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6269, 12538, 106573, 213146, 557941, 1115882, 9484997, 18969994]

約数ペア:

[(1, 18969994), (2, 9484997), (17, 1115882), (34, 557941), (89, 213146), (178, 106573), (1513, 12538), (3026, 6269)]