18220356

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 60137280

約数和(自身を除く): 41916924

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 49, 54, 63, 66, 77, 84, 98, 99, 108, 126, 132, 147, 154, 189, 196, 198, 231, 252, 294, 297, 308, 313, 378, 396, 441, 462, 539, 588, 594, 626, 693, 756, 882, 924, 939, 1078, 1188, 1252, 1323, 1386, 1617, 1764, 1878, 2079, 2156, 2191, 2646, 2772, 2817, 3234, 3443, 3756, 4158, 4382, 4851, 5292, 5634, 6468, 6573, 6886, 8316, 8451, 8764, 9702, 10329, 11268, 13146, 13772, 14553, 15337, 16902, 19404, 19719, 20658, 24101, 26292, 29106, 30674, 30987, 33804, 39438, 41316, 46011, 48202, 58212, 59157, 61348, 61974, 72303, 78876, 92022, 92961, 96404, 118314, 123948, 138033, 144606, 168707, 184044, 185922, 216909, 236628, 276066, 289212, 337414, 371844, 414099, 433818, 506121, 552132, 650727, 674828, 828198, 867636, 1012242, 1301454, 1518363, 1656396, 2024484, 2602908, 3036726, 4555089, 6073452, 9110178, 18220356]

約数ペア:

[(1, 18220356), (2, 9110178), (3, 6073452), (4, 4555089), (6, 3036726), (7, 2602908), (9, 2024484), (11, 1656396), (12, 1518363), (14, 1301454), (18, 1012242), (21, 867636), (22, 828198), (27, 674828), (28, 650727), (33, 552132), (36, 506121), (42, 433818), (44, 414099), (49, 371844), (54, 337414), (63, 289212), (66, 276066), (77, 236628), (84, 216909), (98, 185922), (99, 184044), (108, 168707), (126, 144606), (132, 138033), (147, 123948), (154, 118314), (189, 96404), (196, 92961), (198, 92022), (231, 78876), (252, 72303), (294, 61974), (297, 61348), (308, 59157), (313, 58212), (378, 48202), (396, 46011), (441, 41316), (462, 39438), (539, 33804), (588, 30987), (594, 30674), (626, 29106), (693, 26292), (756, 24101), (882, 20658), (924, 19719), (939, 19404), (1078, 16902), (1188, 15337), (1252, 14553), (1323, 13772), (1386, 13146), (1617, 11268), (1764, 10329), (1878, 9702), (2079, 8764), (2156, 8451), (2191, 8316), (2646, 6886), (2772, 6573), (2817, 6468), (3234, 5634), (3443, 5292), (3756, 4851), (4158, 4382)]