19690236

素因数分解:

$2^2\times 3^3\times {\mathrm{337}}^1\times {\mathrm{541}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 51294880

約数和(自身を除く): 31604644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 337, 541, 674, 1011, 1082, 1348, 1623, 2022, 2164, 3033, 3246, 4044, 4869, 6066, 6492, 9099, 9738, 12132, 14607, 18198, 19476, 29214, 36396, 58428, 182317, 364634, 546951, 729268, 1093902, 1640853, 2187804, 3281706, 4922559, 6563412, 9845118, 19690236]

約数ペア:

[(1, 19690236), (2, 9845118), (3, 6563412), (4, 4922559), (6, 3281706), (9, 2187804), (12, 1640853), (18, 1093902), (27, 729268), (36, 546951), (54, 364634), (108, 182317), (337, 58428), (541, 36396), (674, 29214), (1011, 19476), (1082, 18198), (1348, 14607), (1623, 12132), (2022, 9738), (2164, 9099), (3033, 6492), (3246, 6066), (4044, 4869)]