19619714

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4457}}^1$

素因数の和:4561

約数の個数: 16

約数和(自身を含む): 30813696

約数和(自身を除く): 11193982

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 4457, 8914, 138167, 276334, 316447, 632894, 9809857, 19619714]

約数ペア:

[(1, 19619714), (2, 9809857), (31, 632894), (62, 316447), (71, 276334), (142, 138167), (2201, 8914), (4402, 4457)]