18666144

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 62270208

約数和(自身を除く): 43604064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 47, 48, 56, 63, 72, 84, 94, 96, 112, 126, 141, 144, 168, 188, 197, 224, 252, 282, 288, 329, 336, 376, 394, 423, 504, 564, 591, 658, 672, 752, 788, 846, 987, 1008, 1128, 1182, 1316, 1379, 1504, 1576, 1692, 1773, 1974, 2016, 2256, 2364, 2632, 2758, 2961, 3152, 3384, 3546, 3948, 4137, 4512, 4728, 5264, 5516, 5922, 6304, 6768, 7092, 7896, 8274, 9259, 9456, 10528, 11032, 11844, 12411, 13536, 14184, 15792, 16548, 18518, 18912, 22064, 23688, 24822, 27777, 28368, 31584, 33096, 37036, 44128, 47376, 49644, 55554, 56736, 64813, 66192, 74072, 83331, 94752, 99288, 111108, 129626, 132384, 148144, 166662, 194439, 198576, 222216, 259252, 296288, 333324, 388878, 397152, 444432, 518504, 583317, 666648, 777756, 888864, 1037008, 1166634, 1333296, 1555512, 2074016, 2333268, 2666592, 3111024, 4666536, 6222048, 9333072, 18666144]

約数ペア:

[(1, 18666144), (2, 9333072), (3, 6222048), (4, 4666536), (6, 3111024), (7, 2666592), (8, 2333268), (9, 2074016), (12, 1555512), (14, 1333296), (16, 1166634), (18, 1037008), (21, 888864), (24, 777756), (28, 666648), (32, 583317), (36, 518504), (42, 444432), (47, 397152), (48, 388878), (56, 333324), (63, 296288), (72, 259252), (84, 222216), (94, 198576), (96, 194439), (112, 166662), (126, 148144), (141, 132384), (144, 129626), (168, 111108), (188, 99288), (197, 94752), (224, 83331), (252, 74072), (282, 66192), (288, 64813), (329, 56736), (336, 55554), (376, 49644), (394, 47376), (423, 44128), (504, 37036), (564, 33096), (591, 31584), (658, 28368), (672, 27777), (752, 24822), (788, 23688), (846, 22064), (987, 18912), (1008, 18518), (1128, 16548), (1182, 15792), (1316, 14184), (1379, 13536), (1504, 12411), (1576, 11844), (1692, 11032), (1773, 10528), (1974, 9456), (2016, 9259), (2256, 8274), (2364, 7896), (2632, 7092), (2758, 6768), (2961, 6304), (3152, 5922), (3384, 5516), (3546, 5264), (3948, 4728), (4137, 4512)]