81963530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{39217}}^1$

素因数の和:39254

約数の個数: 32

約数和(自身を含む): 169421760

約数和(自身を除く): 87458230

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 39217, 78434, 196085, 392170, 431387, 745123, 862774, 1490246, 2156935, 3725615, 4313870, 7451230, 8196353, 16392706, 40981765, 81963530]

約数ペア:

[(1, 81963530), (2, 40981765), (5, 16392706), (10, 8196353), (11, 7451230), (19, 4313870), (22, 3725615), (38, 2156935), (55, 1490246), (95, 862774), (110, 745123), (190, 431387), (209, 392170), (418, 196085), (1045, 78434), (2090, 39217)]