19975528

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60901}}^1$

素因数の和:60948

約数の個数: 16

約数和(自身を含む): 38368260

約数和(自身を除く): 18392732

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60901, 121802, 243604, 487208, 2496941, 4993882, 9987764, 19975528]

約数ペア:

[(1, 19975528), (2, 9987764), (4, 4993882), (8, 2496941), (41, 487208), (82, 243604), (164, 121802), (328, 60901)]