19731438

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{3929}}^1$

素因数の和:3974

約数の個数: 40

約数和(自身を含む): 45650880

約数和(自身を除く): 25919442

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 3929, 5022, 7858, 11787, 23574, 35361, 70722, 106083, 121799, 212166, 243598, 318249, 365397, 636498, 730794, 1096191, 2192382, 3288573, 6577146, 9865719, 19731438]

約数ペア:

[(1, 19731438), (2, 9865719), (3, 6577146), (6, 3288573), (9, 2192382), (18, 1096191), (27, 730794), (31, 636498), (54, 365397), (62, 318249), (81, 243598), (93, 212166), (162, 121799), (186, 106083), (279, 70722), (558, 35361), (837, 23574), (1674, 11787), (2511, 7858), (3929, 5022)]