19159118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23537}}^1$

素因数の和:23587

約数の個数: 16

約数和(自身を含む): 32199984

約数和(自身を除く): 13040866

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 23537, 47074, 258907, 517814, 870869, 1741738, 9579559, 19159118]

約数ペア:

[(1, 19159118), (2, 9579559), (11, 1741738), (22, 870869), (37, 517814), (74, 258907), (407, 47074), (814, 23537)]