18805744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61861}}^1$

素因数の和:61888

約数の個数: 20

約数和(自身を含む): 38354440

約数和(自身を除く): 19548696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61861, 123722, 247444, 494888, 989776, 1175359, 2350718, 4701436, 9402872, 18805744]

約数ペア:

[(1, 18805744), (2, 9402872), (4, 4701436), (8, 2350718), (16, 1175359), (19, 989776), (38, 494888), (76, 247444), (152, 123722), (304, 61861)]