18747477

素因数分解:

$3^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{353}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 31944960

約数和(自身を除く): 13197483

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 281, 353, 843, 1059, 1967, 2471, 2529, 3177, 5901, 7413, 7587, 9531, 17703, 22239, 53109, 66717, 99193, 297579, 694351, 892737, 2083053, 2678211, 6249159, 18747477]

約数ペア:

[(1, 18747477), (3, 6249159), (7, 2678211), (9, 2083053), (21, 892737), (27, 694351), (63, 297579), (189, 99193), (281, 66717), (353, 53109), (843, 22239), (1059, 17703), (1967, 9531), (2471, 7587), (2529, 7413), (3177, 5901)]