18517828

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{38903}}^1$

素因数の和:38931

約数の個数: 24

約数和(自身を含む): 39215232

約数和(自身を除く): 20697404

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 38903, 77806, 155612, 272321, 544642, 661351, 1089284, 1322702, 2645404, 4629457, 9258914, 18517828]

約数ペア:

[(1, 18517828), (2, 9258914), (4, 4629457), (7, 2645404), (14, 1322702), (17, 1089284), (28, 661351), (34, 544642), (68, 272321), (119, 155612), (238, 77806), (476, 38903)]