19990782

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{158657}}^1$

素因数の和:158672

約数の個数: 24

約数和(自身を含む): 49501296

約数和(自身を除く): 29510514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 158657, 317314, 475971, 951942, 1110599, 1427913, 2221198, 2855826, 3331797, 6663594, 9995391, 19990782]

約数ペア:

[(1, 19990782), (2, 9995391), (3, 6663594), (6, 3331797), (7, 2855826), (9, 2221198), (14, 1427913), (18, 1110599), (21, 951942), (42, 475971), (63, 317314), (126, 158657)]