18474561

素因数分解:

$3^5\times 7^1\times {\mathrm{10861}}^1$

素因数の和:10883

約数の個数: 24

約数和(自身を含む): 31630144

約数和(自身を除く): 13155583

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 10861, 32583, 76027, 97749, 228081, 293247, 684243, 879741, 2052729, 2639223, 6158187, 18474561]

約数ペア:

[(1, 18474561), (3, 6158187), (7, 2639223), (9, 2052729), (21, 879741), (27, 684243), (63, 293247), (81, 228081), (189, 97749), (243, 76027), (567, 32583), (1701, 10861)]