18687294

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 43776000

約数和(自身を除く): 25088706

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 47, 54, 74, 94, 111, 141, 199, 222, 282, 333, 398, 423, 597, 666, 846, 999, 1194, 1269, 1739, 1791, 1998, 2538, 3478, 3582, 5217, 5373, 7363, 9353, 10434, 10746, 14726, 15651, 18706, 22089, 28059, 31302, 44178, 46953, 56118, 66267, 84177, 93906, 132534, 168354, 198801, 252531, 346061, 397602, 505062, 692122, 1038183, 2076366, 3114549, 6229098, 9343647, 18687294]

約数ペア:

[(1, 18687294), (2, 9343647), (3, 6229098), (6, 3114549), (9, 2076366), (18, 1038183), (27, 692122), (37, 505062), (47, 397602), (54, 346061), (74, 252531), (94, 198801), (111, 168354), (141, 132534), (199, 93906), (222, 84177), (282, 66267), (333, 56118), (398, 46953), (423, 44178), (597, 31302), (666, 28059), (846, 22089), (999, 18706), (1194, 15651), (1269, 14726), (1739, 10746), (1791, 10434), (1998, 9353), (2538, 7363), (3478, 5373), (3582, 5217)]