19919312

素因数分解:

$2^4\times 7^1\times {\mathrm{293}}^1\times {\mathrm{607}}^1$

素因数の和:915

約数の個数: 40

約数和(自身を含む): 44330496

約数和(自身を除く): 24411184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 293, 586, 607, 1172, 1214, 2051, 2344, 2428, 4102, 4249, 4688, 4856, 8204, 8498, 9712, 16408, 16996, 32816, 33992, 67984, 177851, 355702, 711404, 1244957, 1422808, 2489914, 2845616, 4979828, 9959656, 19919312]

約数ペア:

[(1, 19919312), (2, 9959656), (4, 4979828), (7, 2845616), (8, 2489914), (14, 1422808), (16, 1244957), (28, 711404), (56, 355702), (112, 177851), (293, 67984), (586, 33992), (607, 32816), (1172, 16996), (1214, 16408), (2051, 9712), (2344, 8498), (2428, 8204), (4102, 4856), (4249, 4688)]