18975411

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7723}}^1$

素因数の和:7752

約数の個数: 32

約数和(自身を含む): 34603520

約数和(自身を除く): 15628109

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7723, 23169, 54061, 69507, 100399, 162183, 208521, 301197, 486549, 702793, 903591, 1459647, 2108379, 2710773, 6325137, 18975411]

約数ペア:

[(1, 18975411), (3, 6325137), (7, 2710773), (9, 2108379), (13, 1459647), (21, 903591), (27, 702793), (39, 486549), (63, 301197), (91, 208521), (117, 162183), (189, 100399), (273, 69507), (351, 54061), (819, 23169), (2457, 7723)]