19427499

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7907}}^1$

素因数の和:7936

約数の個数: 32

約数和(自身を含む): 35427840

約数和(自身を除く): 16000341

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7907, 23721, 55349, 71163, 102791, 166047, 213489, 308373, 498141, 719537, 925119, 1494423, 2158611, 2775357, 6475833, 19427499]

約数ペア:

[(1, 19427499), (3, 6475833), (7, 2775357), (9, 2158611), (13, 1494423), (21, 925119), (27, 719537), (39, 498141), (63, 308373), (91, 213489), (117, 166047), (189, 102791), (273, 71163), (351, 55349), (819, 23721), (2457, 7907)]