19209911840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17151707}}^1$

素因数の和:17151729

約数の個数: 48

約数和(自身を含む): 51866764992

約数和(自身を除く): 32656853152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17151707, 34303414, 68606828, 85758535, 120061949, 137213656, 171517070, 240123898, 274427312, 343034140, 480247796, 548854624, 600309745, 686068280, 960495592, 1200619490, 1372136560, 1920991184, 2401238980, 2744273120, 3841982368, 4802477960, 9604955920, 19209911840]

約数ペア:

[(1, 19209911840), (2, 9604955920), (4, 4802477960), (5, 3841982368), (7, 2744273120), (8, 2401238980), (10, 1920991184), (14, 1372136560), (16, 1200619490), (20, 960495592), (28, 686068280), (32, 600309745), (35, 548854624), (40, 480247796), (56, 343034140), (70, 274427312), (80, 240123898), (112, 171517070), (140, 137213656), (160, 120061949), (224, 85758535), (280, 68606828), (560, 34303414), (1120, 17151707)]