19121800

素因数分解:

$2^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1427}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 45153360

約数和(自身を除く): 26031560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 134, 200, 268, 335, 536, 670, 1340, 1427, 1675, 2680, 2854, 3350, 5708, 6700, 7135, 11416, 13400, 14270, 28540, 35675, 57080, 71350, 95609, 142700, 191218, 285400, 382436, 478045, 764872, 956090, 1912180, 2390225, 3824360, 4780450, 9560900, 19121800]

約数ペア:

[(1, 19121800), (2, 9560900), (4, 4780450), (5, 3824360), (8, 2390225), (10, 1912180), (20, 956090), (25, 764872), (40, 478045), (50, 382436), (67, 285400), (100, 191218), (134, 142700), (200, 95609), (268, 71350), (335, 57080), (536, 35675), (670, 28540), (1340, 14270), (1427, 13400), (1675, 11416), (2680, 7135), (2854, 6700), (3350, 5708)]