19829645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4051}}^1$

素因数の和:4156

約数の個数: 16

約数和(自身を含む): 26256960

約数和(自身を除く): 6427315

約数列:

[1, 5, 11, 55, 89, 445, 979, 4051, 4895, 20255, 44561, 222805, 360539, 1802695, 3965929, 19829645]

約数ペア:

[(1, 19829645), (5, 3965929), (11, 1802695), (55, 360539), (89, 222805), (445, 44561), (979, 20255), (4051, 4895)]