19280515

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1302

約数の個数: 16

約数和(自身を含む): 24049440

約数和(自身を除く): 4768925

約数列:

[1, 5, 37, 89, 185, 445, 1171, 3293, 5855, 16465, 43327, 104219, 216635, 521095, 3856103, 19280515]

約数ペア:

[(1, 19280515), (5, 3856103), (37, 521095), (89, 216635), (185, 104219), (445, 43327), (1171, 16465), (3293, 5855)]