19793744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65111}}^1$

素因数の和:65138

約数の個数: 20

約数和(自身を含む): 40369440

約数和(自身を除く): 20575696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65111, 130222, 260444, 520888, 1041776, 1237109, 2474218, 4948436, 9896872, 19793744]

約数ペア:

[(1, 19793744), (2, 9896872), (4, 4948436), (8, 2474218), (16, 1237109), (19, 1041776), (38, 520888), (76, 260444), (152, 130222), (304, 65111)]