19952368

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20443}}^1$

素因数の和:20512

約数の個数: 20

約数和(自身を含む): 39293368

約数和(自身を除く): 19341000

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20443, 40886, 81772, 163544, 327088, 1247023, 2494046, 4988092, 9976184, 19952368]

約数ペア:

[(1, 19952368), (2, 9976184), (4, 4988092), (8, 2494046), (16, 1247023), (61, 327088), (122, 163544), (244, 81772), (488, 40886), (976, 20443)]