19678716

素因数分解:

$2^2\times 3^2\times {\mathrm{546631}}^1$

素因数の和:546641

約数の個数: 18

約数和(自身を含む): 49743512

約数和(自身を除く): 30064796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 546631, 1093262, 1639893, 2186524, 3279786, 4919679, 6559572, 9839358, 19678716]

約数ペア:

[(1, 19678716), (2, 9839358), (3, 6559572), (4, 4919679), (6, 3279786), (9, 2186524), (12, 1639893), (18, 1093262), (36, 546631)]