19738563

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8297}}^1$

素因数の和:8374

約数の個数: 16

約数和(自身を含む): 28810656

約数和(自身を除く): 9072093

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8297, 24891, 107861, 323583, 506117, 1518351, 6579521, 19738563]

約数ペア:

[(1, 19738563), (3, 6579521), (13, 1518351), (39, 506117), (61, 323583), (183, 107861), (793, 24891), (2379, 8297)]