15981786

素因数分解:

$2^1\times 3^4\times {\mathrm{47}}^1\times {\mathrm{2099}}^1$

素因数の和:2160

約数の個数: 40

約数和(自身を含む): 36590400

約数和(自身を除く): 20608614

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 141, 162, 282, 423, 846, 1269, 2099, 2538, 3807, 4198, 6297, 7614, 12594, 18891, 37782, 56673, 98653, 113346, 170019, 197306, 295959, 340038, 591918, 887877, 1775754, 2663631, 5327262, 7990893, 15981786]

約数ペア:

[(1, 15981786), (2, 7990893), (3, 5327262), (6, 2663631), (9, 1775754), (18, 887877), (27, 591918), (47, 340038), (54, 295959), (81, 197306), (94, 170019), (141, 113346), (162, 98653), (282, 56673), (423, 37782), (846, 18891), (1269, 12594), (2099, 7614), (2538, 6297), (3807, 4198)]