19195520

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 46542600

約数和(自身を除く): 27347080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 337, 356, 445, 640, 674, 712, 890, 1348, 1424, 1685, 1780, 2696, 2848, 3370, 3560, 5392, 5696, 6740, 7120, 10784, 11392, 13480, 14240, 21568, 26960, 28480, 29993, 43136, 53920, 56960, 59986, 107840, 119972, 149965, 215680, 239944, 299930, 479888, 599860, 959776, 1199720, 1919552, 2399440, 3839104, 4798880, 9597760, 19195520]

約数ペア:

[(1, 19195520), (2, 9597760), (4, 4798880), (5, 3839104), (8, 2399440), (10, 1919552), (16, 1199720), (20, 959776), (32, 599860), (40, 479888), (64, 299930), (80, 239944), (89, 215680), (128, 149965), (160, 119972), (178, 107840), (320, 59986), (337, 56960), (356, 53920), (445, 43136), (640, 29993), (674, 28480), (712, 26960), (890, 21568), (1348, 14240), (1424, 13480), (1685, 11392), (1780, 10784), (2696, 7120), (2848, 6740), (3370, 5696), (3560, 5392)]