18815736

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 31572744

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 107, 136, 204, 214, 321, 408, 428, 431, 642, 856, 862, 1284, 1293, 1724, 1819, 2568, 2586, 3448, 3638, 5172, 5457, 7276, 7327, 10344, 10914, 14552, 14654, 21828, 21981, 29308, 43656, 43962, 46117, 58616, 87924, 92234, 138351, 175848, 184468, 276702, 368936, 553404, 783989, 1106808, 1567978, 2351967, 3135956, 4703934, 6271912, 9407868, 18815736]

約数ペア:

[(1, 18815736), (2, 9407868), (3, 6271912), (4, 4703934), (6, 3135956), (8, 2351967), (12, 1567978), (17, 1106808), (24, 783989), (34, 553404), (51, 368936), (68, 276702), (102, 184468), (107, 175848), (136, 138351), (204, 92234), (214, 87924), (321, 58616), (408, 46117), (428, 43962), (431, 43656), (642, 29308), (856, 21981), (862, 21828), (1284, 14654), (1293, 14552), (1724, 10914), (1819, 10344), (2568, 7327), (2586, 7276), (3448, 5457), (3638, 5172)]