18154851

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 28788480

約数和(自身を除く): 10633629

約数列:

[1, 3, 11, 13, 33, 39, 101, 143, 303, 419, 429, 1111, 1257, 1313, 3333, 3939, 4609, 5447, 13827, 14443, 16341, 42319, 43329, 59917, 126957, 179751, 465509, 550147, 1396527, 1650441, 6051617, 18154851]

約数ペア:

[(1, 18154851), (3, 6051617), (11, 1650441), (13, 1396527), (33, 550147), (39, 465509), (101, 179751), (143, 126957), (303, 59917), (419, 43329), (429, 42319), (1111, 16341), (1257, 14443), (1313, 13827), (3333, 5447), (3939, 4609)]