18857306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 31667328

約数和(自身を除く): 12810022

約数列:

[1, 2, 13, 26, 43, 86, 101, 167, 202, 334, 559, 1118, 1313, 2171, 2626, 4342, 4343, 7181, 8686, 14362, 16867, 33734, 56459, 93353, 112918, 186706, 219271, 438542, 725281, 1450562, 9428653, 18857306]

約数ペア:

[(1, 18857306), (2, 9428653), (13, 1450562), (26, 725281), (43, 438542), (86, 219271), (101, 186706), (167, 112918), (202, 93353), (334, 56459), (559, 33734), (1118, 16867), (1313, 14362), (2171, 8686), (2626, 7181), (4342, 4343)]