19487902

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 34965504

約数和(自身を除く): 15477602

約数列:

[1, 2, 7, 14, 31, 62, 83, 166, 217, 434, 541, 581, 1082, 1162, 2573, 3787, 5146, 7574, 16771, 18011, 33542, 36022, 44903, 89806, 117397, 234794, 314321, 628642, 1391993, 2783986, 9743951, 19487902]

約数ペア:

[(1, 19487902), (2, 9743951), (7, 2783986), (14, 1391993), (31, 628642), (62, 314321), (83, 234794), (166, 117397), (217, 89806), (434, 44903), (541, 36022), (581, 33542), (1082, 18011), (1162, 16771), (2573, 7574), (3787, 5146)]