19261744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63361}}^1$

素因数の和:63388

約数の個数: 20

約数和(自身を含む): 39284440

約数和(自身を除く): 20022696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63361, 126722, 253444, 506888, 1013776, 1203859, 2407718, 4815436, 9630872, 19261744]

約数ペア:

[(1, 19261744), (2, 9630872), (4, 4815436), (8, 2407718), (16, 1203859), (19, 1013776), (38, 506888), (76, 253444), (152, 126722), (304, 63361)]