18154235

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 24623088

約数和(自身を除く): 6468853

約数列:

[1, 5, 11, 37, 55, 121, 185, 407, 605, 811, 2035, 4055, 4477, 8921, 22385, 30007, 44605, 98131, 150035, 330077, 490655, 1650385, 3630847, 18154235]

約数ペア:

[(1, 18154235), (5, 3630847), (11, 1650385), (37, 490655), (55, 330077), (121, 150035), (185, 98131), (407, 44605), (605, 30007), (811, 22385), (2035, 8921), (4055, 4477)]