18645417

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2099}}^1$

素因数の和:2162

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 13610583

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2099, 2961, 6297, 8883, 14693, 18891, 44079, 56673, 98653, 132237, 295959, 396711, 690571, 887877, 2071713, 2663631, 6215139, 18645417]

約数ペア:

[(1, 18645417), (3, 6215139), (7, 2663631), (9, 2071713), (21, 887877), (27, 690571), (47, 396711), (63, 295959), (141, 132237), (189, 98653), (329, 56673), (423, 44079), (987, 18891), (1269, 14693), (2099, 8883), (2961, 6297)]