1213846768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{3992917}}^1$

素因数の和:3992944

約数の個数: 20

約数和(自身を含む): 2475609160

約数和(自身を除く): 1261762392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 3992917, 7985834, 15971668, 31943336, 63886672, 75865423, 151730846, 303461692, 606923384, 1213846768]

約数ペア:

[(1, 1213846768), (2, 606923384), (4, 303461692), (8, 151730846), (16, 75865423), (19, 63886672), (38, 31943336), (76, 15971668), (152, 7985834), (304, 3992917)]