20181836031

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{144539}}^1$

素因数の和:144719

約数の個数: 32

約数和(自身を含む): 31544409600

約数和(自身を除く): 11362573569

約数列:

[1, 3, 7, 21, 61, 109, 183, 327, 427, 763, 1281, 2289, 6649, 19947, 46543, 139629, 144539, 433617, 1011773, 3035319, 8816879, 15754751, 26450637, 47264253, 61718153, 110283257, 185154459, 330849771, 961039811, 2883119433, 6727278677, 20181836031]

約数ペア:

[(1, 20181836031), (3, 6727278677), (7, 2883119433), (21, 961039811), (61, 330849771), (109, 185154459), (183, 110283257), (327, 61718153), (427, 47264253), (763, 26450637), (1281, 15754751), (2289, 8816879), (6649, 3035319), (19947, 1011773), (46543, 433617), (139629, 144539)]