195432784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{642871}}^1$

素因数の和:642898

約数の個数: 20

約数和(自身を含む): 398580640

約数和(自身を除く): 203147856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 642871, 1285742, 2571484, 5142968, 10285936, 12214549, 24429098, 48858196, 97716392, 195432784]

約数ペア:

[(1, 195432784), (2, 97716392), (4, 48858196), (8, 24429098), (16, 12214549), (19, 10285936), (38, 5142968), (76, 2571484), (152, 1285742), (304, 642871)]