19802562

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{253879}}^1$

素因数の和:253897

約数の個数: 16

約数和(自身を含む): 42651840

約数和(自身を除く): 22849278

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 253879, 507758, 761637, 1523274, 3300427, 6600854, 9901281, 19802562]

約数ペア:

[(1, 19802562), (2, 9901281), (3, 6600854), (6, 3300427), (13, 1523274), (26, 761637), (39, 507758), (78, 253879)]