18401013

素因数分解:

$3^4\times {\mathrm{367}}^1\times {\mathrm{619}}^1$

素因数の和:998

約数の個数: 20

約数和(自身を含む): 27607360

約数和(自身を除く): 9206347

約数列:

[1, 3, 9, 27, 81, 367, 619, 1101, 1857, 3303, 5571, 9909, 16713, 29727, 50139, 227173, 681519, 2044557, 6133671, 18401013]

約数ペア:

[(1, 18401013), (3, 6133671), (9, 2044557), (27, 681519), (81, 227173), (367, 50139), (619, 29727), (1101, 16713), (1857, 9909), (3303, 5571)]