17939690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61861}}^1$

素因数の和:61897

約数の個数: 16

約数和(自身を含む): 33405480

約数和(自身を除く): 15465790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 61861, 123722, 309305, 618610, 1793969, 3587938, 8969845, 17939690]

約数ペア:

[(1, 17939690), (2, 8969845), (5, 3587938), (10, 1793969), (29, 618610), (58, 309305), (145, 123722), (290, 61861)]