18126966

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 43819776

約数和(自身を除く): 25692810

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 37, 39, 66, 74, 78, 111, 143, 222, 286, 407, 429, 481, 571, 814, 858, 962, 1142, 1221, 1443, 1713, 2442, 2886, 3426, 5291, 6281, 7423, 10582, 12562, 14846, 15873, 18843, 21127, 22269, 31746, 37686, 42254, 44538, 63381, 81653, 126762, 163306, 232397, 244959, 274651, 464794, 489918, 549302, 697191, 823953, 1394382, 1647906, 3021161, 6042322, 9063483, 18126966]

約数ペア:

[(1, 18126966), (2, 9063483), (3, 6042322), (6, 3021161), (11, 1647906), (13, 1394382), (22, 823953), (26, 697191), (33, 549302), (37, 489918), (39, 464794), (66, 274651), (74, 244959), (78, 232397), (111, 163306), (143, 126762), (222, 81653), (286, 63381), (407, 44538), (429, 42254), (481, 37686), (571, 31746), (814, 22269), (858, 21127), (962, 18843), (1142, 15873), (1221, 14846), (1443, 12562), (1713, 10582), (2442, 7423), (2886, 6281), (3426, 5291)]