19710306

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14221}}^1$

素因数の和:14247

約数の個数: 48

約数和(自身を含む): 53247168

約数和(自身を除く): 33536862

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 14221, 28442, 42663, 85326, 99547, 127989, 156431, 199094, 255978, 298641, 312862, 469293, 597282, 895923, 938586, 1095017, 1407879, 1791846, 2190034, 2815758, 3285051, 6570102, 9855153, 19710306]

約数ペア:

[(1, 19710306), (2, 9855153), (3, 6570102), (6, 3285051), (7, 2815758), (9, 2190034), (11, 1791846), (14, 1407879), (18, 1095017), (21, 938586), (22, 895923), (33, 597282), (42, 469293), (63, 312862), (66, 298641), (77, 255978), (99, 199094), (126, 156431), (154, 127989), (198, 99547), (231, 85326), (462, 42663), (693, 28442), (1386, 14221)]