19810368968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{9371}}^1\times {\mathrm{20327}}^1$

素因数の和:29717

約数の個数: 32

約数和(自身を含む): 40007943360

約数和(自身を除く): 20197574392

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 9371, 18742, 20327, 37484, 40654, 74968, 81308, 121823, 162616, 243646, 264251, 487292, 528502, 974584, 1057004, 2114008, 190484317, 380968634, 761937268, 1523874536, 2476296121, 4952592242, 9905184484, 19810368968]

約数ペア:

[(1, 19810368968), (2, 9905184484), (4, 4952592242), (8, 2476296121), (13, 1523874536), (26, 761937268), (52, 380968634), (104, 190484317), (9371, 2114008), (18742, 1057004), (20327, 974584), (37484, 528502), (40654, 487292), (74968, 264251), (81308, 243646), (121823, 162616)]