19236140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12491}}^1$

素因数の和:12518

約数の個数: 48

約数和(自身を含む): 50367744

約数和(自身を除く): 31131604

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 12491, 24982, 49964, 62455, 87437, 124910, 137401, 174874, 249820, 274802, 349748, 437185, 549604, 687005, 874370, 961807, 1374010, 1748740, 1923614, 2748020, 3847228, 4809035, 9618070, 19236140]

約数ペア:

[(1, 19236140), (2, 9618070), (4, 4809035), (5, 3847228), (7, 2748020), (10, 1923614), (11, 1748740), (14, 1374010), (20, 961807), (22, 874370), (28, 687005), (35, 549604), (44, 437185), (55, 349748), (70, 274802), (77, 249820), (110, 174874), (140, 137401), (154, 124910), (220, 87437), (308, 62455), (385, 49964), (770, 24982), (1540, 12491)]