19815776

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{14401}}^1$

素因数の和:14454

約数の個数: 24

約数和(自身を含む): 39922344

約数和(自身を除く): 20106568

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 14401, 28802, 57604, 115208, 230416, 460832, 619243, 1238486, 2476972, 4953944, 9907888, 19815776]

約数ペア:

[(1, 19815776), (2, 9907888), (4, 4953944), (8, 2476972), (16, 1238486), (32, 619243), (43, 460832), (86, 230416), (172, 115208), (344, 57604), (688, 28802), (1376, 14401)]