19063240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 49570560

約数和(自身を除く): 30507320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 661, 721, 824, 1030, 1322, 1442, 2060, 2644, 2884, 3305, 3605, 4120, 4627, 5288, 5768, 6610, 7210, 9254, 13220, 14420, 18508, 23135, 26440, 28840, 37016, 46270, 68083, 92540, 136166, 185080, 272332, 340415, 476581, 544664, 680830, 953162, 1361660, 1906324, 2382905, 2723320, 3812648, 4765810, 9531620, 19063240]

約数ペア:

[(1, 19063240), (2, 9531620), (4, 4765810), (5, 3812648), (7, 2723320), (8, 2382905), (10, 1906324), (14, 1361660), (20, 953162), (28, 680830), (35, 544664), (40, 476581), (56, 340415), (70, 272332), (103, 185080), (140, 136166), (206, 92540), (280, 68083), (412, 46270), (515, 37016), (661, 28840), (721, 26440), (824, 23135), (1030, 18508), (1322, 14420), (1442, 13220), (2060, 9254), (2644, 7210), (2884, 6610), (3305, 5768), (3605, 5288), (4120, 4627)]