19178198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9337}}^1$

素因数の和:9431

約数の個数: 16

約数和(自身を含む): 31375680

約数和(自身を除く): 12197482

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9337, 18674, 121381, 242762, 737623, 1475246, 9589099, 19178198]

約数ペア:

[(1, 19178198), (2, 9589099), (13, 1475246), (26, 737623), (79, 242762), (158, 121381), (1027, 18674), (2054, 9337)]