18112556

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 41674752

約数和(自身を除く): 23562196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 49, 62, 77, 98, 124, 154, 196, 217, 271, 308, 341, 434, 539, 542, 682, 868, 1078, 1084, 1364, 1519, 1897, 2156, 2387, 2981, 3038, 3794, 4774, 5962, 6076, 7588, 8401, 9548, 11924, 13279, 16709, 16802, 20867, 26558, 33418, 33604, 41734, 53116, 58807, 66836, 83468, 92411, 117614, 146069, 184822, 235228, 292138, 369644, 411649, 584276, 646877, 823298, 1293754, 1646596, 2587508, 4528139, 9056278, 18112556]

約数ペア:

[(1, 18112556), (2, 9056278), (4, 4528139), (7, 2587508), (11, 1646596), (14, 1293754), (22, 823298), (28, 646877), (31, 584276), (44, 411649), (49, 369644), (62, 292138), (77, 235228), (98, 184822), (124, 146069), (154, 117614), (196, 92411), (217, 83468), (271, 66836), (308, 58807), (341, 53116), (434, 41734), (539, 33604), (542, 33418), (682, 26558), (868, 20867), (1078, 16802), (1084, 16709), (1364, 13279), (1519, 11924), (1897, 9548), (2156, 8401), (2387, 7588), (2981, 6076), (3038, 5962), (3794, 4774)]