18949679

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2699}}^1$

素因数の和:2782

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 4378321

約数列:

[1, 7, 17, 59, 119, 413, 1003, 2699, 7021, 18893, 45883, 159241, 321181, 1114687, 2707097, 18949679]

約数ペア:

[(1, 18949679), (7, 2707097), (17, 1114687), (59, 321181), (119, 159241), (413, 45883), (1003, 18893), (2699, 7021)]