19028860

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1049}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 40042800

約数和(自身を除く): 21013940

約数列:

[1, 2, 4, 5, 10, 20, 907, 1049, 1814, 2098, 3628, 4196, 4535, 5245, 9070, 10490, 18140, 20980, 951443, 1902886, 3805772, 4757215, 9514430, 19028860]

約数ペア:

[(1, 19028860), (2, 9514430), (4, 4757215), (5, 3805772), (10, 1902886), (20, 951443), (907, 20980), (1049, 18140), (1814, 10490), (2098, 9070), (3628, 5245), (4196, 4535)]