18656892

素因数分解:

$2^2\times 3^4\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:752

約数の個数: 60

約数和(自身を含む): 49397040

約数和(自身を除く): 30740148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 89, 108, 162, 178, 267, 324, 356, 534, 647, 801, 1068, 1294, 1602, 1941, 2403, 2588, 3204, 3882, 4806, 5823, 7209, 7764, 9612, 11646, 14418, 17469, 23292, 28836, 34938, 52407, 57583, 69876, 104814, 115166, 172749, 209628, 230332, 345498, 518247, 690996, 1036494, 1554741, 2072988, 3109482, 4664223, 6218964, 9328446, 18656892]

約数ペア:

[(1, 18656892), (2, 9328446), (3, 6218964), (4, 4664223), (6, 3109482), (9, 2072988), (12, 1554741), (18, 1036494), (27, 690996), (36, 518247), (54, 345498), (81, 230332), (89, 209628), (108, 172749), (162, 115166), (178, 104814), (267, 69876), (324, 57583), (356, 52407), (534, 34938), (647, 28836), (801, 23292), (1068, 17469), (1294, 14418), (1602, 11646), (1941, 9612), (2403, 7764), (2588, 7209), (3204, 5823), (3882, 4806)]