18992179

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 20785248

約数和(自身を除く): 1793069

約数列:

[1, 17, 53, 107, 197, 901, 1819, 3349, 5671, 10441, 21079, 96407, 177497, 358343, 1117187, 18992179]

約数ペア:

[(1, 18992179), (17, 1117187), (53, 358343), (107, 177497), (197, 96407), (901, 21079), (1819, 10441), (3349, 5671)]