18866223

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{14867}}^1$

素因数の和:14923

約数の個数: 16

約数和(自身を含む): 28546560

約数和(自身を除く): 9680337

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 14867, 44601, 133803, 401409, 698749, 2096247, 6288741, 18866223]

約数ペア:

[(1, 18866223), (3, 6288741), (9, 2096247), (27, 698749), (47, 401409), (141, 133803), (423, 44601), (1269, 14867)]