19769392

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13883}}^1$

素因数の和:13980

約数の個数: 20

約数和(自身を含む): 38736360

約数和(自身を除く): 18966968

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13883, 27766, 55532, 111064, 222128, 1235587, 2471174, 4942348, 9884696, 19769392]

約数ペア:

[(1, 19769392), (2, 9884696), (4, 4942348), (8, 2471174), (16, 1235587), (89, 222128), (178, 111064), (356, 55532), (712, 27766), (1424, 13883)]