19489136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64109}}^1$

素因数の和:64136

約数の個数: 20

約数和(自身を含む): 39748200

約数和(自身を除く): 20259064

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64109, 128218, 256436, 512872, 1025744, 1218071, 2436142, 4872284, 9744568, 19489136]

約数ペア:

[(1, 19489136), (2, 9744568), (4, 4872284), (8, 2436142), (16, 1218071), (19, 1025744), (38, 512872), (76, 256436), (152, 128218), (304, 64109)]