19963588

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 35753312

約数和(自身を除く): 15789724

約数列:

[1, 2, 4, 67, 134, 163, 268, 326, 457, 652, 914, 1828, 10921, 21842, 30619, 43684, 61238, 74491, 122476, 148982, 297964, 4990897, 9981794, 19963588]

約数ペア:

[(1, 19963588), (2, 9981794), (4, 4990897), (67, 297964), (134, 148982), (163, 122476), (268, 74491), (326, 61238), (457, 43684), (652, 30619), (914, 21842), (1828, 10921)]