19172787

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 28514304

約数和(自身を除く): 9341517

約数列:

[1, 3, 17, 31, 51, 67, 93, 181, 201, 527, 543, 1139, 1581, 2077, 3077, 3417, 5611, 6231, 9231, 12127, 16833, 35309, 36381, 95387, 105927, 206159, 286161, 375937, 618477, 1127811, 6390929, 19172787]

約数ペア:

[(1, 19172787), (3, 6390929), (17, 1127811), (31, 618477), (51, 375937), (67, 286161), (93, 206159), (181, 105927), (201, 95387), (527, 36381), (543, 35309), (1139, 16833), (1581, 12127), (2077, 9231), (3077, 6231), (3417, 5611)]