19774636

素因数分解:

$2^2\times 7^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 60

約数和(自身を含む): 42351120

約数和(自身を除く): 22576484

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 71, 98, 116, 142, 196, 203, 284, 343, 406, 497, 686, 812, 994, 1372, 1421, 1988, 2059, 2401, 2842, 3479, 4118, 4802, 5684, 6958, 8236, 9604, 9947, 13916, 14413, 19894, 24353, 28826, 39788, 48706, 57652, 69629, 97412, 100891, 139258, 170471, 201782, 278516, 340942, 403564, 681884, 706237, 1412474, 2824948, 4943659, 9887318, 19774636]

約数ペア:

[(1, 19774636), (2, 9887318), (4, 4943659), (7, 2824948), (14, 1412474), (28, 706237), (29, 681884), (49, 403564), (58, 340942), (71, 278516), (98, 201782), (116, 170471), (142, 139258), (196, 100891), (203, 97412), (284, 69629), (343, 57652), (406, 48706), (497, 39788), (686, 28826), (812, 24353), (994, 19894), (1372, 14413), (1421, 13916), (1988, 9947), (2059, 9604), (2401, 8236), (2842, 6958), (3479, 5684), (4118, 4802)]