19726893

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 29971968

約数和(自身を除く): 10245075

約数列:

[1, 3, 9, 23, 69, 157, 207, 471, 607, 1413, 1821, 3611, 5463, 10833, 13961, 32499, 41883, 95299, 125649, 285897, 857691, 2191877, 6575631, 19726893]

約数ペア:

[(1, 19726893), (3, 6575631), (9, 2191877), (23, 857691), (69, 285897), (157, 125649), (207, 95299), (471, 41883), (607, 32499), (1413, 13961), (1821, 10833), (3611, 5463)]