18899874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2459}}^1$

素因数の和:2535

約数の個数: 48

約数和(自身を含む): 47586240

約数和(自身を除く): 28686366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2459, 2562, 3843, 4918, 7377, 7686, 14754, 17213, 22131, 34426, 44262, 51639, 103278, 149999, 154917, 299998, 309834, 449997, 899994, 1049993, 1349991, 2099986, 2699982, 3149979, 6299958, 9449937, 18899874]

約数ペア:

[(1, 18899874), (2, 9449937), (3, 6299958), (6, 3149979), (7, 2699982), (9, 2099986), (14, 1349991), (18, 1049993), (21, 899994), (42, 449997), (61, 309834), (63, 299998), (122, 154917), (126, 149999), (183, 103278), (366, 51639), (427, 44262), (549, 34426), (854, 22131), (1098, 17213), (1281, 14754), (2459, 7686), (2562, 7377), (3843, 4918)]