19966869

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3631}}^1$

素因数の和:3697

約数の個数: 24

約数和(自身を含む): 31729152

約数和(自身を除く): 11762283

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 3631, 5499, 10893, 32679, 47203, 141609, 170657, 424827, 511971, 1535913, 2218541, 6655623, 19966869]

約数ペア:

[(1, 19966869), (3, 6655623), (9, 2218541), (13, 1535913), (39, 511971), (47, 424827), (117, 170657), (141, 141609), (423, 47203), (611, 32679), (1833, 10893), (3631, 5499)]