18949119

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{179}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 29450880

約数和(自身を除く): 10501761

約数列:

[1, 3, 7, 21, 71, 179, 213, 497, 537, 1253, 1491, 3759, 5041, 12709, 15123, 35287, 38127, 88963, 105861, 266889, 902339, 2707017, 6316373, 18949119]

約数ペア:

[(1, 18949119), (3, 6316373), (7, 2707017), (21, 902339), (71, 266889), (179, 105861), (213, 88963), (497, 38127), (537, 35287), (1253, 15123), (1491, 12709), (3759, 5041)]