18848457

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4951}}^1$

素因数の和:5010

約数の個数: 20

約数和(自身を含む): 28761216

約数和(自身を除く): 9912759

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4951, 14853, 44559, 133677, 232697, 401031, 698091, 2094273, 6282819, 18848457]

約数ペア:

[(1, 18848457), (3, 6282819), (9, 2094273), (27, 698091), (47, 401031), (81, 232697), (141, 133677), (423, 44559), (1269, 14853), (3807, 4951)]