19286619

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 11402661

約数列:

[1, 3, 11, 17, 31, 33, 51, 93, 187, 341, 527, 561, 1023, 1109, 1581, 3327, 5797, 12199, 17391, 18853, 34379, 36597, 56559, 103137, 207383, 378169, 584443, 622149, 1134507, 1753329, 6428873, 19286619]

約数ペア:

[(1, 19286619), (3, 6428873), (11, 1753329), (17, 1134507), (31, 622149), (33, 584443), (51, 378169), (93, 207383), (187, 103137), (341, 56559), (527, 36597), (561, 34379), (1023, 18853), (1109, 17391), (1581, 12199), (3327, 5797)]