19993322

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1553}}^1$

素因数の和:1753

約数の個数: 16

約数和(自身を含む): 30937032

約数和(自身を除く): 10943710

約数列:

[1, 2, 41, 82, 157, 314, 1553, 3106, 6437, 12874, 63673, 127346, 243821, 487642, 9996661, 19993322]

約数ペア:

[(1, 19993322), (2, 9996661), (41, 487642), (82, 243821), (157, 127346), (314, 63673), (1553, 12874), (3106, 6437)]