18950858

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{907}}^1$

素因数の和:1277

約数の個数: 16

約数和(自身を含む): 29462784

約数和(自身を除く): 10511926

約数列:

[1, 2, 31, 62, 337, 674, 907, 1814, 10447, 20894, 28117, 56234, 305659, 611318, 9475429, 18950858]

約数ペア:

[(1, 18950858), (2, 9475429), (31, 611318), (62, 305659), (337, 56234), (674, 28117), (907, 20894), (1814, 10447)]