19824218

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:781

約数の個数: 16

約数和(自身を含む): 30270240

約数和(自身を除く): 10446022

約数列:

[1, 2, 83, 166, 307, 389, 614, 778, 25481, 32287, 50962, 64574, 119423, 238846, 9912109, 19824218]

約数ペア:

[(1, 19824218), (2, 9912109), (83, 238846), (166, 119423), (307, 64574), (389, 50962), (614, 32287), (778, 25481)]