18777798

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1163}}^1$

素因数の和:1210

約数の個数: 64

約数和(自身を含む): 46932480

約数和(自身を除く): 28154682

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 117, 138, 207, 234, 299, 351, 414, 598, 621, 702, 897, 1163, 1242, 1794, 2326, 2691, 3489, 5382, 6978, 8073, 10467, 15119, 16146, 20934, 26749, 30238, 31401, 45357, 53498, 62802, 80247, 90714, 136071, 160494, 240741, 272142, 347737, 408213, 481482, 695474, 722223, 816426, 1043211, 1444446, 2086422, 3129633, 6259266, 9388899, 18777798]

約数ペア:

[(1, 18777798), (2, 9388899), (3, 6259266), (6, 3129633), (9, 2086422), (13, 1444446), (18, 1043211), (23, 816426), (26, 722223), (27, 695474), (39, 481482), (46, 408213), (54, 347737), (69, 272142), (78, 240741), (117, 160494), (138, 136071), (207, 90714), (234, 80247), (299, 62802), (351, 53498), (414, 45357), (598, 31401), (621, 30238), (702, 26749), (897, 20934), (1163, 16146), (1242, 15119), (1794, 10467), (2326, 8073), (2691, 6978), (3489, 5382)]