18546940

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13841}}^1$

素因数の和:13917

約数の個数: 24

約数和(自身を含む): 39532752

約数和(自身を除く): 20985812

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 13841, 27682, 55364, 69205, 138410, 276820, 927347, 1854694, 3709388, 4636735, 9273470, 18546940]

約数ペア:

[(1, 18546940), (2, 9273470), (4, 4636735), (5, 3709388), (10, 1854694), (20, 927347), (67, 276820), (134, 138410), (268, 69205), (335, 55364), (670, 27682), (1340, 13841)]