19356568

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^2$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 46754820

約数和(自身を除く): 27398252

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 67, 77, 88, 98, 134, 154, 196, 268, 308, 392, 469, 536, 539, 616, 737, 938, 1078, 1474, 1876, 2156, 2948, 3283, 3752, 4312, 4489, 5159, 5896, 6566, 8978, 10318, 13132, 17956, 20636, 26264, 31423, 35912, 36113, 41272, 49379, 62846, 72226, 98758, 125692, 144452, 197516, 219961, 251384, 288904, 345653, 395032, 439922, 691306, 879844, 1382612, 1759688, 2419571, 2765224, 4839142, 9678284, 19356568]

約数ペア:

[(1, 19356568), (2, 9678284), (4, 4839142), (7, 2765224), (8, 2419571), (11, 1759688), (14, 1382612), (22, 879844), (28, 691306), (44, 439922), (49, 395032), (56, 345653), (67, 288904), (77, 251384), (88, 219961), (98, 197516), (134, 144452), (154, 125692), (196, 98758), (268, 72226), (308, 62846), (392, 49379), (469, 41272), (536, 36113), (539, 35912), (616, 31423), (737, 26264), (938, 20636), (1078, 17956), (1474, 13132), (1876, 10318), (2156, 8978), (2948, 6566), (3283, 5896), (3752, 5159), (4312, 4489)]