19428164

素因数分解:

$2^2\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1031}}^1$

素因数の和:1715

約数の個数: 24

約数和(自身を含む): 38951808

約数和(自身を除く): 19523644

約数列:

[1, 2, 4, 7, 14, 28, 673, 1031, 1346, 2062, 2692, 4124, 4711, 7217, 9422, 14434, 18844, 28868, 693863, 1387726, 2775452, 4857041, 9714082, 19428164]

約数ペア:

[(1, 19428164), (2, 9714082), (4, 4857041), (7, 2775452), (14, 1387726), (28, 693863), (673, 28868), (1031, 18844), (1346, 14434), (2062, 9422), (2692, 7217), (4124, 4711)]