19737837

素因数分解:

$3^4\times 7^2\times {\mathrm{4973}}^1$

素因数の和:4999

約数の個数: 30

約数和(自身を含む): 34305678

約数和(自身を除く): 14567841

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4973, 14919, 34811, 44757, 104433, 134271, 243677, 313299, 402813, 731031, 939897, 2193093, 2819691, 6579279, 19737837]

約数ペア:

[(1, 19737837), (3, 6579279), (7, 2819691), (9, 2193093), (21, 939897), (27, 731031), (49, 402813), (63, 313299), (81, 243677), (147, 134271), (189, 104433), (441, 44757), (567, 34811), (1323, 14919), (3969, 4973)]