18490417

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 20913984

約数和(自身を除く): 2423567

約数列:

[1, 11, 37, 181, 251, 407, 1991, 2761, 6697, 9287, 45431, 73667, 102157, 499741, 1680947, 18490417]

約数ペア:

[(1, 18490417), (11, 1680947), (37, 499741), (181, 102157), (251, 73667), (407, 45431), (1991, 9287), (2761, 6697)]