19657120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17551}}^1$

素因数の和:17573

約数の個数: 48

約数和(自身を含む): 53077248

約数和(自身を除く): 33420128

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, 17551, 35102, 70204, 87755, 122857, 140408, 175510, 245714, 280816, 351020, 491428, 561632, 614285, 702040, 982856, 1228570, 1404080, 1965712, 2457140, 2808160, 3931424, 4914280, 9828560, 19657120]

約数ペア:

[(1, 19657120), (2, 9828560), (4, 4914280), (5, 3931424), (7, 2808160), (8, 2457140), (10, 1965712), (14, 1404080), (16, 1228570), (20, 982856), (28, 702040), (32, 614285), (35, 561632), (40, 491428), (56, 351020), (70, 280816), (80, 245714), (112, 175510), (140, 140408), (160, 122857), (224, 87755), (280, 70204), (560, 35102), (1120, 17551)]