19302700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^2$

素因数の和:191

約数の個数: 54

約数和(自身を含む): 43510236

約数和(自身を除く): 24207536

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 67, 86, 100, 134, 172, 215, 268, 335, 430, 670, 860, 1075, 1340, 1675, 2150, 2881, 3350, 4300, 4489, 5762, 6700, 8978, 11524, 14405, 17956, 22445, 28810, 44890, 57620, 72025, 89780, 112225, 144050, 193027, 224450, 288100, 386054, 448900, 772108, 965135, 1930270, 3860540, 4825675, 9651350, 19302700]

約数ペア:

[(1, 19302700), (2, 9651350), (4, 4825675), (5, 3860540), (10, 1930270), (20, 965135), (25, 772108), (43, 448900), (50, 386054), (67, 288100), (86, 224450), (100, 193027), (134, 144050), (172, 112225), (215, 89780), (268, 72025), (335, 57620), (430, 44890), (670, 28810), (860, 22445), (1075, 17956), (1340, 14405), (1675, 11524), (2150, 8978), (2881, 6700), (3350, 5762), (4300, 4489)]