15720942

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{577}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 33292800

約数和(自身を除く): 17571858

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 239, 478, 577, 717, 1154, 1434, 1731, 3462, 4541, 9082, 10963, 13623, 21926, 27246, 32889, 65778, 137903, 275806, 413709, 827418, 2620157, 5240314, 7860471, 15720942]

約数ペア:

[(1, 15720942), (2, 7860471), (3, 5240314), (6, 2620157), (19, 827418), (38, 413709), (57, 275806), (114, 137903), (239, 65778), (478, 32889), (577, 27246), (717, 21926), (1154, 13623), (1434, 10963), (1731, 9082), (3462, 4541)]