19915112

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12263}}^1$

素因数の和:12305

約数の個数: 32

約数和(自身を含む): 44150400

約数和(自身を除く): 24235288

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12263, 24526, 49052, 85841, 98104, 171682, 343364, 355627, 686728, 711254, 1422508, 2489389, 2845016, 4978778, 9957556, 19915112]

約数ペア:

[(1, 19915112), (2, 9957556), (4, 4978778), (7, 2845016), (8, 2489389), (14, 1422508), (28, 711254), (29, 686728), (56, 355627), (58, 343364), (116, 171682), (203, 98104), (232, 85841), (406, 49052), (812, 24526), (1624, 12263)]