19884460

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1901}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 41859216

約数和(自身を除く): 21974756

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 1901, 2092, 2615, 3802, 5230, 7604, 9505, 10460, 19010, 38020, 994223, 1988446, 3976892, 4971115, 9942230, 19884460]

約数ペア:

[(1, 19884460), (2, 9942230), (4, 4971115), (5, 3976892), (10, 1988446), (20, 994223), (523, 38020), (1046, 19010), (1901, 10460), (2092, 9505), (2615, 7604), (3802, 5230)]