18894183

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{311}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 31629312

約数和(自身を除く): 12735129

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 263, 311, 789, 933, 1841, 2177, 2893, 3421, 5523, 6531, 8679, 10263, 20251, 23947, 60753, 71841, 81793, 245379, 572551, 899723, 1717653, 2699169, 6298061, 18894183]

約数ペア:

[(1, 18894183), (3, 6298061), (7, 2699169), (11, 1717653), (21, 899723), (33, 572551), (77, 245379), (231, 81793), (263, 71841), (311, 60753), (789, 23947), (933, 20251), (1841, 10263), (2177, 8679), (2893, 6531), (3421, 5523)]