19273821

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17317}}^1$

素因数の和:17380

約数の個数: 16

約数和(自身を含む): 29925504

約数和(自身を除く): 10651683

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 17317, 51951, 121219, 363657, 917801, 2753403, 6424607, 19273821]

約数ペア:

[(1, 19273821), (3, 6424607), (7, 2753403), (21, 917801), (53, 363657), (159, 121219), (371, 51951), (1113, 17317)]