20211884619

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{2049679}}^1$

素因数の和:2049874

約数の個数: 16

約数和(自身を含む): 28531545600

約数和(自身を除く): 8319660981

約数列:

[1, 3, 19, 57, 173, 519, 3287, 9861, 2049679, 6149037, 38943901, 116831703, 354594467, 1063783401, 6737294873, 20211884619]

約数ペア:

[(1, 20211884619), (3, 6737294873), (19, 1063783401), (57, 354594467), (173, 116831703), (519, 38943901), (3287, 6149037), (9861, 2049679)]