19886097

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2777}}^1$

素因数の和:2829

約数の個数: 32

約数和(自身を含む): 34136064

約数和(自身を除く): 14249967

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 2777, 7161, 8331, 19439, 30547, 58317, 86087, 91641, 213829, 258261, 602609, 641487, 946957, 1807827, 2840871, 6628699, 19886097]

約数ペア:

[(1, 19886097), (3, 6628699), (7, 2840871), (11, 1807827), (21, 946957), (31, 641487), (33, 602609), (77, 258261), (93, 213829), (217, 91641), (231, 86087), (341, 58317), (651, 30547), (1023, 19439), (2387, 8331), (2777, 7161)]