19990402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{1259}}^1$

素因数の和:1745

約数の個数: 16

約数和(自身を含む): 31842720

約数和(自身を除く): 11852318

約数列:

[1, 2, 17, 34, 467, 934, 1259, 2518, 7939, 15878, 21403, 42806, 587953, 1175906, 9995201, 19990402]

約数ペア:

[(1, 19990402), (2, 9995201), (17, 1175906), (34, 587953), (467, 42806), (934, 21403), (1259, 15878), (2518, 7939)]