18984942

素因数分解:

$2^1\times 3^4\times {\mathrm{117191}}^1$

素因数の和:117205

約数の個数: 20

約数和(自身を含む): 42540696

約数和(自身を除く): 23555754

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 117191, 234382, 351573, 703146, 1054719, 2109438, 3164157, 6328314, 9492471, 18984942]

約数ペア:

[(1, 18984942), (2, 9492471), (3, 6328314), (6, 3164157), (9, 2109438), (18, 1054719), (27, 703146), (54, 351573), (81, 234382), (162, 117191)]