18757464

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 51546240

約数和(自身を除く): 32788776

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 227, 264, 313, 454, 626, 681, 908, 939, 1252, 1362, 1816, 1878, 2497, 2504, 2724, 3443, 3756, 4994, 5448, 6886, 7491, 7512, 9988, 10329, 13772, 14982, 19976, 20658, 27544, 29964, 41316, 59928, 71051, 82632, 142102, 213153, 284204, 426306, 568408, 781561, 852612, 1563122, 1705224, 2344683, 3126244, 4689366, 6252488, 9378732, 18757464]

約数ペア:

[(1, 18757464), (2, 9378732), (3, 6252488), (4, 4689366), (6, 3126244), (8, 2344683), (11, 1705224), (12, 1563122), (22, 852612), (24, 781561), (33, 568408), (44, 426306), (66, 284204), (88, 213153), (132, 142102), (227, 82632), (264, 71051), (313, 59928), (454, 41316), (626, 29964), (681, 27544), (908, 20658), (939, 19976), (1252, 14982), (1362, 13772), (1816, 10329), (1878, 9988), (2497, 7512), (2504, 7491), (2724, 6886), (3443, 5448), (3756, 4994)]