19542448

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20023}}^1$

素因数の和:20092

約数の個数: 20

約数和(自身を含む): 38486128

約数和(自身を除く): 18943680

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20023, 40046, 80092, 160184, 320368, 1221403, 2442806, 4885612, 9771224, 19542448]

約数ペア:

[(1, 19542448), (2, 9771224), (4, 4885612), (8, 2442806), (16, 1221403), (61, 320368), (122, 160184), (244, 80092), (488, 40046), (976, 20023)]