19480587

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1489}}^1$

素因数の和:1595

約数の個数: 24

約数和(自身を含む): 30574800

約数和(自身を除く): 11094213

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1489, 1869, 4361, 4467, 10423, 13083, 31269, 72961, 132521, 218883, 397563, 927647, 2782941, 6493529, 19480587]

約数ペア:

[(1, 19480587), (3, 6493529), (7, 2782941), (21, 927647), (49, 397563), (89, 218883), (147, 132521), (267, 72961), (623, 31269), (1489, 13083), (1869, 10423), (4361, 4467)]