18851305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 7276055

約数列:

[1, 5, 11, 29, 53, 55, 145, 223, 265, 319, 583, 1115, 1537, 1595, 2453, 2915, 6467, 7685, 11819, 12265, 16907, 32335, 59095, 71137, 84535, 130009, 342751, 355685, 650045, 1713755, 3770261, 18851305]

約数ペア:

[(1, 18851305), (5, 3770261), (11, 1713755), (29, 650045), (53, 355685), (55, 342751), (145, 130009), (223, 84535), (265, 71137), (319, 59095), (583, 32335), (1115, 16907), (1537, 12265), (1595, 11819), (2453, 7685), (2915, 6467)]